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Part 2Headphones

Published 02/02

Headphones

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Frequency responseThe frequency response characterises the range of frequencies which a pair of head-phones can reproduce. It is measured in hertz (Hz). The average human ear is capableof hearing frequencies ranging from about 20 Hz to 16,000 Hz. The frequency response alone does not reveal much about the reproduction quality.

Total harmonic distortion (THD)The THD represents the percentage of non-linear distortions of a signal, the so-called harmonics. These particularly occur at lower frequencies when the motionof the diaphragm cannot follow the electrical signal precisely.

ImpedanceImpedance is the headphones’ resistance to alternating current and is measured inohms (Ω). The impedances of Sennheiser headphones range from 16 to 600 ohmswhich means they can be connected to all standard hi-fi components.

Signal-to-noise ratioDifference between the wanted signal and the background noise of an electricallyoperated device (e.g. amplifier, microphone). Signal-to-noise ratio is measured in dB.

Power supply

Carrier frequency

Pictograms

Weight

Connector

Cable

Cable length

Inputs

2.1Headphones

Contents

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Introduction Description of models.................................................................................................. 3

Dynamic Headphones How the electrodynamic transducer works .............................................................. 5

Connection cables ...................................................................................................... 5

Description of models ................................................................................................ 5

MX 300/MX 400/MX 500 ........................................................................................ 7

HD 26 ......................................................................................................................... 8

PX 30 ........................................................................................................................... 9

PX 40 ..........................................................................................................................10

HD 433 ..................................................................................................................... 11HD 437 ...................................................................................................................... 12HD 457 ...................................................................................................................... 13HD 477 ...................................................................................................................... 14HD 497 ...................................................................................................................... 15HD 500 Fusion .......................................................................................................... 16HD 570 Symphony ................................................................................................... 17HD 580 Precision ......................................................................................................18HD 590 Prestige ........................................................................................................ 19HD 600 Avantgarde .................................................................................................. 20HD 25 ........................................................................................................................ 21HD 25 SP................................................................................................................... 22HD 200 Master.......................................................................................................... 23HD 202 .......................................................................................................................24HD 212 Pro ................................................................................................................25HD 250 II Linear....................................................................................................... 26HD 265 Linear .......................................................................................................... 27HD 270 Control ........................................................................................................ 28HD 62 TV ................................................................................................................. 29

How electrostatic transducers work ........................................................................ 31

Connection cable ...................................................................................................... 31

Description of models .............................................................................................. 31

HE 90/HEV 90 Orpheus™ ...................................................................................... 35

Electrostatic Headphones

How infra-red technology works ............................................................................. 37


IS 150 Mono ............................................................................................................... 39

IS 300 Stereo ................................................................................................................ 40

IS 380 ........................................................................................................................ 41

Cordless IR and RF Headphones

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Contents Wireless RF Headphones How radio frequency technology works ................................................................. 43


RS 30 ......................................................................................................................... 45

RS 40 ......................................................................................................................... 46

RS 45 ......................................................................................................................... 47

RS 65 ......................................................................................................................... 48

RS 85 ......................................................................................................................... 49

RS 2400 Stereo ......................................................................................................... 50

Headphones with NoiseGard™Active Noise Compensation

How the NoiseGard™ active noise compensation system works ............................ 51


HDC 451-1 NoiseGard™ mobile ............................................................................... 53

Supplementary IR and RFHeadphones

RI 150 ........................................................................................................................ 56

RI 300 ........................................................................................................................ 56

HDI 380 ..................................................................................................................... 56

HDR 45-4 .................................................................................................................. 56

HDR 45-8 .................................................................................................................. 56

HDR 45-9 .................................................................................................................. 56

HDR 65-4 .................................................................................................................. 57

HDR 65-8 .................................................................................................................. 57

HDR 65-9 .................................................................................................................. 57

HDR 85-4 .................................................................................................................. 57

HDR 85-8 .................................................................................................................. 57

HDR 85-9 .................................................................................................................. 57

RR 2400 ..................................................................................................................... 57

HZR 62 ..................................................................................................................... 58

Headphone Cable ..................................................................................................... 58

BA 151 ...................................................................................................................... 58

L 151-2 ...................................................................................................................... 58

L 151-10 .................................................................................................................... 59

NT 92 ........................................................................................................................ 59

Accessories

Index Models, Catalogue numbers .................................................................................... 61

2.3Headphones

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Introduction

Sennheiser’s headphone range is comprised of four different types of headphones:

• Dynamic headphones• Electrostatic headphones• Cordless infra-red headphones• Wireless radio frequency headphones

Description of modelsHD... Dynamic headphones (Headphones, Dynamic)

Sennheiser’s HD range of headphones are fitted with electrodynamictransducers. They are normally equipped with a 3.5 mm stereo jack plugand a 1/4” (6.3 mm) adaptor and can therefore be connected to allstandard headphone outputs (amplifiers, CD players, DAT, DCC, MD,TV, personal stereos, camcorders etc.).Sennheiser’s range includes both open and closed headphones. Closedmodels provide better attenuation of surrounding noise, while openheadphones give a more spacious sound.

HDC... NoiseGard™ headphones (Headphones, Dynamic with noise Compensation)

The HDC series of headphones are fitted with active noise compensation(NoiseGard™) circuits which considerably reduce external low frequencynoise.

HE... Electrostatic headphones (Headphones, Electrostatic)

Sennheiser’s HE headphones are fitted with electrostatic transducers.Their operation requires a polarising voltage, so a special amplifier isneeded to process the audio signal.

IS... Cordless infra-red systems (Infra-red System)

The IS series consists of complete systems of infra-red transmitters andheadphones. It incorporates both traditional analogue and modern digitaltechnology.

HDI... Dynamic infra-red headphones (Headphones, Dynamic, Infra-red)RI... Infra-red stethoset receivers (Receiver, Infra-red)

As only one infra-red transmitter is necessary to operate as many infra-redheadphones as desired, Sennheiser offers supplementary headphones.Classic headphones are designated by the letters HDI, stethoset receivers bythe letters RI.

RS .... Cordless radio frequency systems (Radio frequency System)

The RS series consists of complete systems of RF transmitters andheadphones with integrated RF receivers.

HDR .... Dynamic radio frequency headphones (Headphones, Dynamic, RF)RR .... Radio frequency stethoset receivers (Receiver, RF)

As RF transmitters can be used with any number of RF headphones,Sennheiser offers supplementary headphones. Classic headphones aredesignated by the letters HDR in their model number, RF stethosetreceivers by the letters RR.

HD 590 Prestige

HE 90/HEV 90

HDC 451-1 NoiseGard™ mobile

IS 380 system with HDI 380 headphones

RS 85 system with HDR 85 headphones

2.5Headphones

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Dynamic Headphones

How the electrodynamic transducer worksDynamic headphones operate on the moving-coil principle. The headphones’diaphragm is attached to a coil of wire held in suspension in the field of apermanent magnet. When an alternating current (i.e. the audio signal) passesthrough the coil, it generates a magnetic field. This coil field interacts with that ofthe permanent magnet and causes the coil (and thus the diaphragm) to moveforwards and backwards depending on the direction of current flow. This vibrationof the diaphragm produces pressure sound waves, i.e. the original audible audioinformation. The entire dynamic system needs to be as lightweight as possible in order to ensurea fast transient response. For this reason, Sennheiser use coils made fromaluminium copper or even pure aluminium in their high-quality headphones.

Connection cablesAll dynamic headphones (with the exception of the HD 25 and HD 25 SP) aresupplied with oxygen-free copper cables.

Description of modelsHD ... HD headphones are equipped with dynamic transducers.

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Dynamic Headphones

Cat. No. Model Brief Description Variants Page04418 MX 300 Open dynamic stereo in-ear headphones – 704419 MX 400 Open dynamic stereo in-ear headphones – 704420 MX 500 Open dynamic stereo in-ear headphones – 704212 HD 26 Open dynamic stereo mini headphones – 804851 PX 30 offener dynamischer Stereo-Mini-Kopfhörer – 904850 PX 40 offener dynamischer Stereo-Mini-Kopfhörer – 1004472 HD 433 offener dynamischer Stereo-Kopfhörer – 1105175 HD 437 offener dynamischer Stereo-Kopfhörer – 1205177 HD 457 offener dynamischer Stereo-Kopfhörer – 1305178 HD 477 offener dynamischer Stereo-Kopfhörer – 1405179 HD 497 offener dynamischer Stereo-Kopfhörer – 1504589 HD 500 Fusion Open dynamic stereo headphones – 1604553 HD 570 Symphony Open dynamic stereo headphones – 1704195 HD 580 Precision Open dynamic stereo headphones – 1804590 HD 590 Prestige Open dynamic stereo headphones – 1904465 HD 600 Avantgarde Open dynamic stereo headphones – 2002976 HD 25 Closed dynamic stereo headphones HD 25-13 2103759 HD 25 SP Closed dynamic stereo headphones HD 25 SP-1 2204592 HD 200 Master Closed dynamic stereo headphones – 2305176 HD 202 geschlossener dynamischer Stereo-Kopfhörer – 2405180 HD 212 Pro geschlossener dynamischer Stereo-Kopfhörer – 2504393 HD 250 II Linear Closed dynamic stereo headphones – 2604196 HD 265 Linear Closed dynamic stereo headphones – 2604549 HD 270 Control Closed dynamic stereo headphones – 2804199 HD 62 TV Stereo Open stereo TV headphones with volume control and long cable – 29

Overview

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Dynamic HeadphonesHeadphones

18-20,000 Hz 32 Ω < 1 % 3.5 mm OFC 1 m

MX 300/MX 400/MX 500The MX 300, MX 400 and MX 500 are stereo in-ear headphones for listening ‘onthe move’. Very lightweight and comfortable.

Features• Wide dynamic range• Excellent bass response• Dual-sided highly conductive OFC copper cable• Can be connected directly to personal stereos, CD players, DAT recorders

and hi-fi systems• In-ear headphones come with a practical case with an automatic cord take-up

mechanism (MX 400 and MX 500 only)• Additional volume control (MX 500 only)• Colours: MX 300: black

MX 400: black and silverMX 500: blue metallic

Recommended Accessories

Product Variants

Cat. No. 04418 MX 300Cat. No. 04419 MX 400Cat. No. 04420 MX 500

Technical Data – MX 300Frequency response 18 – 20,000 HzTransducer principle dynamic, openNominal impedance 32 ΩMax. SPL 116 dB at 1 kHz, 0.5 Vrms

THD < 1 %Ear coupling intra-auralWeight (without cable) approx. 6 gConnector 1/8” jack plugConnection cable approx. 1 m, copper cable

Replacement PartsEar pads (1 pair) Cat. No. 70826

6 g





18-20,000 Hz 18-22,000 Hz

MX 300 MX 400 MX 500

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Dynamic Headphones

50-18,500 Hz 32 Ω < 1 % 3.5/6.3 mm OFC 1.2 m

HD 26The HD 26s are mini headphones for listening ‘on the move’. Very lightweightand comfortable.

Features• Wide dynamic range• Excellent bass response• Single-sided, highly conductive OFC copper cable• Can be connected directly to personal stereos, CD players, DAT and MD

recorders and hi-fi systems


Product Variants

Cat. No. 04212

Technical DataFrequency response 50 – 18,500 HzTransducer principle dynamic, openNominal impedance 32 ΩCharacteristic SPL at 1 kHz 96 dBLoad rating 50 mWTHD < 1%Ear coupling supra-aural Weight (without cable) 50 gConnector 3.5 mm Ø stereo mini

jack plug with adaptor to 1/4” (6.3 mm) stereo jack plug

Connection cable 1.2 m, single-sided OFC copper cable


50 g

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PX 30Dynamic Headphones

The PX 30 are open, dynamic, supra-aural mini headphones for portable players.Due to their balanced sound reproduction they easily outperform conventionalmini headphones.

Features• Ideal for use with portable audio sources such as MP3 or CD players• Optimised for rock and pop music• Excellent reproduction, transparent, bass-driven sound• Bass tube for rich, full bass• Ultra-lightweight diaphragm ensures powerful sound• Lightweight and comfortable for music on the move• Connection cable made from highly conductive OFC copper• 2-year guarantee


Product Variants

Cat. No. 04851

Technical DataFrequency response 30–20,000 HzNominal impedance 32 ΩCharacteristic SPL at 1 kHz 115 dBTHD < 1 %Ear coupling supra-auralConnection cable 1 mTransducer principle dynamic, openWeight (without cable) 65 gConnector 3.5 mm stereo jack plug


30-20,00 Hz 32 Ω < 1% 3.5 mm OFC 1 m65 g

2.10Headphones

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PX 40Dynamic Headphones

The PX 40 are open, dynamic, supra-aural mini headphones for portable players.They are fitted with a convenient in-line volume control.

Features• Ideal for use with portable audio sources such as MP3 or CD players• Optimised for rock and pop music• Excellent sound reproduction with wide dynamics• Bass tube for rich, full bass• Ultra-lightweight diaphragm ensures powerful sound• Cable with convenient volume control• Lightweight and comfortable for music on the move• Connection cable made from highly conductive OFC copper• 2-year guarantee


Product Variants

Cat. No. 04850

Technical DataFrequency response 20–20,000 HzNominal impedance 32 ΩCharacteristic SPL at 1 kHz 115 dBTHD < 1 %Ear coupling supra-auralConnection cable 1 mTransducer principle dynamic, openWeight (without cable) ca. 65 gConnector 3.5 mm stereo jack plug


20-20,000 Hz 32 Ω < 1% 3.5 mm OFC 1 mca. 65 g

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Dynamic Headphones HD 433 The HD 433 open hi-fi stereo headphones are ideal for use with hi-fi systems andpersonal stereos (CDs, DATs, MDs etc.). Excellent bass response. Ideal for rockand pop music.

Features• Open dynamic stereo headphones• Matt black finish• 3 m highly conductive OFC copper cable• 3.5 mm stereo jack plug with 1/4” (6.3 mm) adaptor

Recommended AccessoriesStereo volume control HZR 62 Cat. No. 05248

Product Variants

Cat. No. 04472

Technical DataFrequency response 22 – 20,000 HzTransducer principle dynamic, openNominal impedance 32 ΩCharacteristic SPL at 1 kHz approx. 94 dBLoad rating 100 mWTHD < 1 %Ear coupling supra-aural Contact pressure approx. 2.5 NWeight (without cable) approx. 118 gConnector 3.5 mm Ø stereo mini


Connection cable 3 m, dual-sided OFC copper cable


Diffuse Field Frequency Response

22-20,000 Hz 32 Ω < 1 % 118 g 3.5/6.3 mm OFC 3 m

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Dynamic Headphones HD 437

Recommended AccessoriesStereo volume control HZR 62 Cat No. 05248

Product Variants

Cat. No. 05175

Technical DataFrequency response 21–18,000 HzNominal impedance 32 ΩCharacteristic SPL at 1 kHz 115 dBTHD < 0.5 %Ear coupling supra-auralConnection cable 3 mTransducer principle dynamic, openWeight (without cable) ca. 130 gConnector 3.5/6.3 mm

stereo jack plug


21-18,000 Hz 32 Ω < 0.5 % 3.5/6.3 mm OFC 3 mca. 130 g

With their powerful sound and crisp bass, the HD 437 open dynamic hi-fi stereo head-phones are an ideal choice for modern music such as rock and pop. The lightweightheadphones are the perfect partner for mobile audio sources such as MP3, MiniDisc & CDplayers and for use with home mini hi-fi systems. When out and about, a convenientcord take-up lets you adjust the headphone cable to the required length.

Features• Open, supra-aural, dynamic hi-fi stereo headphones• Ideal both for mobile audio sources such as MP3, MiniDisc & CD players and

home mini hi-fi systems• Specially designed damping perforation ensures rich, crisp bass response• Lightweight diaphragm material with ”turbine” embossing for extremely low bass• Powerful neodymium magnets• High levels and powerful bass for modern rhythm-driven music• Clips to the belt: cord take-up for adjusting the cable length when listening on

the move• Extremely comfortable to wear due to ultra-lightweight design, even for

extended listening• Rugged outdoor design with extremely flexible headband• 3m highly conductive OFC copper cable• Replaceable ear pads made from soft fabric material• 2-year guarantee

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Dynamische Kopfhörer HD 457


Product Variants

Cat. No. 05177

Technical DataFrequency response 25–21,000 HzNominal impedance 32 ΩCharacteristic SPL at 1 kHz 114 dBTHD < 0.5 %Ear coupling supra-auralConnection cable 3 mTransducer principle dynamic, openWeight (without cable) ca. 130 gConnector 3.5/6.3 mm

stereo jack plug


25-21,000 Hz 32 Ω < 0.5 % 3.5/6.3 mm OFC 3 mca. 130 g

The HD 457 are open, dynamic hi-fi stereo headphones for both mobile audio sourcessuch as MP3, MiniDisc & CD players and home hi-fi systems. Soul, funk, grungeand percussion music can be heard to its best advantage due to the headphones’balanced sound image and warm bass. When out and about, a convenient cordtake-up lets you adjust the headphone cable to the required length.

Features• Open, supra-aural, dynamic hi-fi stereo headphones• Ideal both for mobile audio sources such as MP3, MiniDisc & CD players and

home mini hi-fi systems• Manually inserted cellulose fleece ensures balanced sound image• Ultra-lightweight diaphragm material and powerful neodymium magnets for

wide dynamics• Excellent stereo sound and warm bass for modern music such as soul, funk,

grunge, etc.• Clips to the belt: cord take-up for adjusting the cable length when listening on


extended listening• Rugged outdoor design with extremely flexible headband• 3m detachable highly conductive OFC copper cable• Replaceable fabric ear pads• 2-year guarantee

2.14Headphones

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Dynamic Headphones HD 477The HD 477 are open, dynamic hi-fi stereo headphones with clear transparent soundand powerful bass reproduction. They are an ideal choice for rock and pop music. Thelightweight HD 477 are the ideal partner not only for your home hi-fi system but alsofor portable players when you're out and about.

Features• Open, supra-aural, dynamic hi-fi stereo headphones• Ideal at home or on the move• Ultra-lightweight and comfortable for extended listening• Rugged design• Clear, crisp sound with wide dynamics• High-quality neodymium magnets and lightweight diaphragms

for powerful sound and rich bass• Detachable connection cable made from highly conductive OFC copper• Long service life due to easily replaceable parts such as ear pads and cables• 2-year guarantee


Cat. No. 05178

Technical DataFrequency response 37–21,000 HzTransducer principle dynamicNominal impedance 32 ΩCharacteristic SPL at 1 kHz 109 dBTHD < 0.2 %Ear coupling supra-auralConnection cable 3 mWeight (without cable) ca. 130 gConnector 3.5/6.3 mm

stereo jack plug

37-21,000 Hz 32 Ω < 0.2 % 3.5/6.3 mm OFC 3 mca. 130 g

Product Variants

Replacement PartsEar pads (1 pair) Cat. No. 85728Connection cable Cat. No. 83380

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Technical DataFrequency response 24–22,000 HzTransducer principle dynamicNominal impedance 32 ΩCharacteristic SPL at 1 kHz 112 dBTHD < 0.2 %Ear coupling supra-auralConnection cable 3 mWeight (without cable) ca. 130 gConnector 3.5/6.3 mm

stereo jack plug

24-22.000 Hz 32 Ω < 0.2 % 3.5/6.3 mm OFC 3 mca. 130 g

Cat. No. 05179


Product Variants

The HD 497 open, dynamic hi-fi stereo headphones deliver crystal-clear, well-defined trebles and absolute precision across all audio frequencies. These versatileheadphones are especially impressive with jazz and modern, bass-driven music.The HD 497 feature rugged design and easily replaceable parts for long life, suchas the OFC connection cable or ear pads. The HD 497 are ideal for hi-fi systemsbut also for portable players.

Features• Open, supra-aural, dynamic hi-fi stereo headphones• Excellent sound at home or on the move• Balanced and very detailed sound reproduction with transparent treble• Ultra-lightweight and comfortable for extended listening• Rugged design• High-quality neodymium magnets and lightweight diaphragms for powerful

sound and rich bass• Detachable connection cable made from highly conductive OFC copper• Long service life due to easily replaceable parts such as ear pads and cables• 2-year guarantee

2.16Headphones

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Dynamic Headphones HD 500 FusionThe HD 500 Fusion is a pair of open dynamic hi-fi stereo headphones with clear,accurate tonal quality. They feature a single-sided, highly conductive OFC coppercable, Duofol diaphragms and an innovative damping element for controllingdiaphragm oscillation.

Features• High-definition hi-fi stereo headphones• Very comfortable to wear due to BioNetic™ design• New Sennheiser patented damping element for controlling diaphragm oscillation• Detailed, analytic sound reproduction• Fresh, balanced sound and powerful bass• Duofol diaphragms to reduce standing waves• Detachable, single-sided connection cable made from highly conductive

OFC copper, strengthened with Kevlar• Replaceable parts for long life


Cat. No. 04589 (English, French)Cat. No. 04588 (Am. English, Spanish)Cat. No. 04484 (German, Italian)

Technical DataFrequency response 14 – 21,000 HzTransducer principle dynamic, semi-openFrequency characteristic diffuse field equalisedNominal impedance 32 ΩCharacteristic SPL 105 dB

at 1 kHz, 1 Vrms

THD < 0.2 % at 1 kHz, 110 dB SPL

Ear coupling circumauralContact pressure approx. 2.5 NWeight (without cable) approx. 210 gConnector 3.5 mm Ø stereo mini


Connection cable 3 m, detachable single-sided OFC copper cable


14-21,000 Hz 32 Ω < 0.2 % 3.5/6.3 mm OFC 3 m210 g

Product Variants

Replacement PartsEar pads (1 pair) Cat. No. 75566Connection cable Cat. No. 73469(Further replacement parts on request.)

2.17Headphones

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Dynamic Headphones HD 570 SymphonyThe HD 570 Symphony are audiophile-quality, open dynamic hi-fi stereoheadphones with an advanced diaphragm design that eliminates standing waves inthe diaphragm material. They are suitable for use with hi-fi and recording systemsof the highest quality, in particular CD and DVD players or DAT and MDrecorders.

Features• High-definition hi-fi stereo headphones• BioNetic™ design, headphones adapt to the shape of the head• Superbly spatial, transparent sound reproduction• Extremely lightweight voice coils for fast transient response• Innovative damping element for controlling the diaphragm oscillation, optimally

matches the headphones to all sound sources• Detachable, robust, single-sided connection cable made from Kevlar-reinforced

OFC copper• Velour earpads


Product Variants


Technical DataFrequency response 18 – 22,000 HzTransducer principle dynamic, openFrequency characteristic diffuse field equalised Nominal impedance 64 ΩCharacteristic SPL at 1 kHz 95 dB Load rating 0.2 W THD < 0.2 %Ear coupling circumaural Contact pressure approx. 2.5 NWeight (without cable) approx. 210 gConnector 3.5 mm Ø stereo mini



Replacement PartsEar pads (1 pair) Cat. No. 75503Connection cable Cat. No. 73469(Further replacement parts on request.)


18-22,000 Hz 120 Ω < 0.2 % 210 g 3.5/6.3 mm OFC 3 m

2.18Headphones

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HD 580 PrecisionDynamic Headphones

The HD 580 Precision are audiophile-quality, open dynamic hi-fi/professionalstereo headphones. The advanced diaphragm design eliminates standing waves inthe diaphragm material. The HD 580 Precision can be connected directly to hi-fisystems of the highest quality, in particular DAT, DVD, MiniDisc and CD players.These headphones are an ideal choice for the professional recording engineerrecording classical music.

Features• Computer-optimised magnet systems minimise harmonic and intermodulation

distortion• Extremely lightweight aluminium voice coils ensure excellent transient response• Neodymium ferrous magnet systems ensure optimum sensitivity and a very

wide dynamic range• Exceptionally natural, spatial and accurate sound• Detachable OFC copper cable, Kevlar-reinforced, with very low handling noise


Product Variants

Cat. No. 04195

Technical DataFrequency response 12 – 38,000 HzTransducer principle dynamic, openFrequency characteristic diffuse field equalised Nominal impedance 300 ΩCharacteristic SPL at 1 kHz 97 dB Load rating 0.2 W THD ≤ 0.1 %Ear coupling circumaural Contact pressure approx. 2.5 NWeight (without cable) 260 gConnector 3.5 mm Ø stereo mini


Connection cable 3 m, detachable dual-sided OFC copper cable



12-38,000 Hz 300 Ω < 0.1 % 260 g 3.5/6.3 mm OFC 3 m

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Dynamic Headphones HD 590 Prestige



Technical DataFrequency response 12 – 38,000 HzTransducer principle dynamic, openFrequency characteristic diffuse field equalisedImpedance 120 ΩCharacteristic SPL 97 dB

at 1 kHz, 1 mWTHD < 0.1 %

at 1 kHz, 110 dB SPLEar coupling circumauralContact pressure approx. 2.5 NWeight (without cable) approx. 270 gConnector 3.5 mm Ø stereo mini



12-38,000 Hz 120 Ω < 0.1 % 3.5/6.3 mm OFC 3 m270 g

The audiophile-quality HD 590 Prestige open circumaural headphones ensureunadulterated listening pleasure with outstanding clarity. Selected materials and thecomputer-optimised design make these headphones exceptionally comfortable to wear.

Features• Top-of-the-range high-definition open-back hi-fi stereo headphones• Superbly natural sound reproduction and better localisation of sounds due to

new transducer orientation (patent pending)• Large-surface Duofol diaphragms eliminate standing waves in the capsule• Extremely lightweight 18-mm aluminium voice coils for fast transient

response with excellent linearity, suitable for professional monitoring• New Sennheiser patented damping element for controlling diaphragm oscillation• Computer-optimised neodymium ferrous magnet systems minimise harmonic

distortion• Detachable, single-sided connection cable made from Kevlar-reinforced, highly

conductive OFC copper

Product Variants


2.20Headphones

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HD 600 Avantgarde Dynamic Headphones

The HD 600 Avantgarde are audiophile-quality, open dynamic hi-fi/professionalstereo headphones. The advanced diaphragm design eliminates standing waves inthe diaphragm material. The HD 600 can be connected directly to hi-fi systems of thehighest quality, in particular DAT, DVD, MD and CD players. These headphonesare an ideal choice for the professional recording engineer recording classical music.

Features• Sophisticated design, elegantly finished in black and grey• High-quality, open metal mesh earpiece covers for an extremely transparent sound• Computer-optimised magnet systems minimise harmonic and intermodulation

distortion• Extremely lightweight aluminium voice coils ensure excellent transient response• Neodymium ferrous magnet systems for optimum sensitivity and a wide

dynamic range• Exceptionally natural, spatial and accurate sound• Detachable OFC copper cable, Kevlar-reinforced, with very low handling noise


Product Variants

Cat. No. 04465

Technical DataFrequency response 12 – 39,000 HzTransducer principle dynamic, openFrequency characteristic diffuse field equalised Nominal impedance 300 ΩCharacteristic SPL at 1 kHz 97 dB Load rating 0.2 W THD ≤ 0.1 %Ear coupling circumauralContact pressure approx. 2.5 NWeight (without cable) 260 gConnector 3.5 mm Ø stereo mini





12-39,000 Hz 300 Ω < 0.1 % 260 g 3.5/6.3 mm OFC 3 m

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Dynamic Headphones HD 25The closed-back HD 25s are purpose-designed, professional monitoring headphonesoffering high attenuation of background noise. Capable of handling very high soundpressure levels and of extremely robust construction, these headphones performexceptionally well in high-noise environments, e.g. ENG, sound reinforcement,studio monitoring and audio equipment testing. The capsule is rotatable for one-earlistening. Ideal monitoring headphones for cameramen and DJs.

Features• High sensitivity due to lightweight aluminium voice coils• Very good attenuation of background noise• Low weight• Adjustable split headband for exceptional comfort• Replaceable, single-sided steel connection cable• Delivery includes: 1 HD 25

1 cable clip


Product VariantsHD 25-13 as HD 25, but 600 Ω version with 3 m cable terminating in a 1/4” (6.3 mm) stereo jack plug Cat. No. 03353

Cat. No. 02976

Technical DataFrequency response 16 – 22,000 Hz –3 dBTransducer principle dynamic, closedNominal impedance 70 ΩCharacteristic SPL at 1 kHz 120 dBLoad rating 0.2 WTHD < 0.3 %Ear coupling supra-aural Contact pressure approx. 2.5 NWeight (without cable) approx. 140 gConnector 3.5 mm Ø stereo mini


Connection cable 1.5 m, single-sided steel cable

Replacement PartsEar pads (1 pair) Cat. No. 40179Velour ear pads (optional) (1 pair) Cat. No. 69417Connection cable Cat. No. 40180

ProfileClosed dynamic professional headphones for use innoisy environments, with high sensitivity and a soundpressure level of 120 dB. Adjustable headband andearpieces for professional monitoring applications.Frequency response 16 Hz to 22 kHz, total harmonicdistortion < 0.3 %, nominal impedance 70 Ω, loadrating 0.2 W. 1.5 m steel cable with 3.5 mm right-angled stereo jack plug with adaptor to 1/4” (6.3 mm)jack plug.


16-22,000 Hz 70 Ω < 0.3 % 140 g 3.5/6.3 mm steel 1.5 m

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Dynamic Headphones HD 25 SPThe HD 25 SP are closed dynamic headphones for monitoring, recording andoutdoor applications. They are a lower-cost alternative to the HD 25, featuring asimpler headband and a slightly different capsule design.

Features• Very lightweight, comfortable even if used for long periods• Effective attenuation of background noise minimises risk of feedback• High maximum sound pressure level• 85 Ω nominal impedance ensures universal compatibility• Tough, detachable stranded steel cable• Neodymium ferrous magnet systems and lightweight aluminium/copper voice

coils for fast transient response

Recommended AccessoriesStereo volume control HZR 62 (for HD 25 SP-1 only) Cat. No. 05248

Product VariantsHD 25 SP-1 as HD 25 SP, but with 3.5 mm / 1/4” stereo jack and 65 Ω nominal impedance Cat. No. 04173

Cat. No. 03759

Technical DataFrequency response 30 – 16,000 Hz –3 dBTransducer principle dynamic, closedNominal impedance 85 ΩCharacteristic SPL at 1 kHz 100 dB ± 2 dBLoad rating 0.2 W THD < 0.4 %Ear coupling supra-auralContact pressure approx. 3 NWeight (without cable) 115 gConnector 1/4” (6.3 mm) Ø

stereo jackConnection cable 3 m, detachable

dual-sided steel cable

Replacement PartsEar pads (1 pair) Cat. No. 40179Velour ear pads (optional) (1 pair) Cat. No. 69417

ProfileClosed dynamic headphones for monitoring in noisyenvironments, high sensitivity, sound pressure level100 dB. Frequency response 30 Hz to 16 kHz, THD< 0.4 %, nominal impedance 85 Ω, load rating 0.2 W.3 m steel cable with 1/4” (6.3 mm) stereo jack plug.


30-16,000 Hz 85 Ω < 0.4 % 115 g 6.3 mm steel 3 m

2.23Headphones

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Dynamic Headphones HD 200 MasterThe HD 200 Master is a pair of closed circumaural stereo headphones withpowerful dynamics. Due to their high attenuation of background noise, theseheadphones are ideal for DJ monitoring. A lightweight construction and newergonomic design ensure excellent comfort for long hours of listening. The single-sided, Kevlar-reinforced, highly conductive OFC copper cable can easily bereplaced.

Features• Closed circumaural stereo headphones• Very lightweight, comfortable even if used for long periods• Ideal for DJ monitoring• Very comfortable to wear due to BioNetic design• Effective attenuation of ambient noise minimises risk of feedback• High maximum sound pressure level• Neodymium ferrous magnet systems for optimum audio performance• Replaceable parts for long life


Technical DataFrequency response 12 – 22,000 HzTransducer principle dynamic, closedFrequency characteristic diffuse field equalisedImpedance 64 ΩCharacteristic SPL 106 dB

at 1 kHz, 1 Vrms

THD < 0.3 % at 1 kHzEar coupling circumauralContact pressure approx. 5 NWeight (without cable) approx. 140 gConnector 3.5 mm Ø stereo mini



12-22,000 Hz 64 Ω < 0.3 % 3.5/6.3 mm OFC 3 m140 g


Product Variants


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18-18,000 Hz 32 Ω < 0.5 % 3.5/6.3 mm OFC 3 m


Product Variants

Cat. No. 05176

Technical DataFrequency response 18–18,000 HzTransducer principle dynamic, closedNominal impedance 32 ΩCharacteristic SPL at 1 kHz 115 dB THD < 0.5 %Ear coupling supra-auralWeight (without cable) ca. 130 gConnector 3.5/6.3 mm

stereo jack plugConnection cable 3 m


ca. 130 g

The HD 202 closed, dynamic hi-fi stereo headphones are the ideal partner for DJs andpowerful modern music, providing good insulation against ambient noise and a vivid,crisp bass response. The rugged lightweight headphones have a secure fit and can beused for both mobile sources and home (mini) hi-fi systems. When out and about, aconvenient cord take-up lets you adjust the headphone cable to the required length.

Features• Closed, supra-aural, dynamic hi-fi stereo headphones• For DJs, ideal for both mobile sources and home mini hi-fi systems• Good attenuation of ambient noise• Earcups can be removed from the headband• Specially designed damping perforation ensures powerful bass response• Lightweight diaphragm material with ”turbine” embossing for extremely low bass• Powerful neodymium magnets and lightweight diaphragms for high sound levels• Powerful bass and increased signal levels for modern rhythm-driven music• Clips to the belt: cord take-up for adjusting the cable length when listening on


extended listening• Rugged outdoor design with extremely flexible headband• 3m highly conductive OFC copper cable• Replaceable leatherette ear pads• 2-year guarantee

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Dynamic Headphones HD 212 Pro


Product Variants

Cat. No. 05180

Technical DataFrequency response 12–19,000 HzNominal impedance 32 ΩCharacteristic SPL at 1 kHz 112 dBTHD < 0.2 %Ear coupling supra-auralConnection cable 3 mTransducer principle dynamic, closedWeight (without cable) ca. 130 gConnector 3.5/6.3 mm

stereo jack plug


12-19,00 Hz 32 Ω < 0.2% 3.5/6.3 mm OFC 3 mca. 130 g

The HD 212 Pro closed dynamic hi-fi stereo headphones have a balanced soundimage with a slight emphasis on the bass response. DJs will like their excellentattenuation of ambient noise and the soft, comfortable ear pads.

Features• Closed, supra-aural, dynamic hi-fi stereo headphones• Ideal for DJs• Good attenuation of ambient noise• Earcups can be removed from the headband• Specially designed damping perforation ensures powerful bass response• Lightweight diaphragm material with ”turbine” embossing for extremely low bass• Extra-thin diaphragm for precise trebles• Well defined mid-band and spatial sound reproduction due to foam damping

element• High levels and powerful bass for modern rhythm-driven music• Extremely comfortable to wear due to ultra-lightweight design, even for

extended listening• 3m detachable highly conductive OFC copper cable• Replaceable leatherette ear pads• 2-year guarantee

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Dynamic Headphones HD 250 II LinearThe HD 250 II Linear are closed dynamic hi-fi stereo headphones with the feel ofan open design. They are an ideal choice not only for professional monitoring andlive sound recording, but also for use with high-end hi-fi systems where theyensure undisturbed enjoyment of music.

Features• Precise sound reproduction with wide dynamics• Extremely lightweight aluminium voice coils ensure an excellent transient

response• Neodymium ferrous magnet systems for optimum sensitivity• Diffuse field equalised for unadulterated listening• Detachable OFC copper cable, very low handling noise


Product Variants

Cat. No. 04393

Technical DataFrequency response 5 – 40,000 Hz –10 dB

10 – 25,000 Hz –3 dBTransducer principle dynamic, closedFrequency characteristic diffuse field equalisedNominal impedance 300 ΩCharacteristic SPL at 1 kHz 94 dB Load rating 200 mW THD < 0.2 %Ear coupling circumaural Contact pressure 3 NWeight (without cable) 215 gConnector 3.5 mm Ø stereo mini





10-25,000 Hz 300 Ω < 0.2 % 215 g 3.5/6.3 mm OFC 3 m

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HD 265 LinearDynamic Headphones

The HD 265 Linear are closed dynamic stereo headphones which also satisfyprofessional demands. They are equally suitable for professional monitoring andfor use with hi-fi systems where they ensure undisturbed enjoyment of music andfine reproduction of detail.

Features• Extremely lightweight aluminium voice coils for an excellent transient response• Neodymium ferrous magnet systems ensure optimum sensitivity• Diffuse field equalised for unadulterated listening• Ergonomic design• Detachable OFC copper cable, very low handling noise


Product Variants

Cat. No. 04196

Technical DataFrequency response 10 – 25,000 HzTransducer principle dynamic, closedFrequency characteristic diffuse field equalisedNominal impedance 150 ΩCharacteristic SPL at 1 kHz 94 dB Load rating 200 mW THD < 0.15 %Ear coupling circumaural Contact pressure 3 NWeight (without cable) 215 gConnector 3.5 mm Ø stereo mini





10-25,000 Hz 150 Ω < 0.15 % 215 g 3.5/6.3 mm OFC 3 m

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HD 270 ControlDynamic Headphones

The HD 270 Control closed monitoring headphones satisfy the most stringentprofessional demands. Neodymium ferrous magnet systems ensure optimumsensitivity and a very wide dynamic range. An innovative, Sennheiser patenteddamping element controls diaphragm oscillation, thus ensuring a superbly spatial,transparent and balanced sound reproduction.

Features• Closed circumaural high-definition stereo headphones• Ideal for both studio and DJ monitoring• Headphones adapt to the shape of the head due to BioNetic™ design• High maximum sound pressure level• New damping element for controlling diaphragm oscillation• Excellent attenuation of ambient noise (–10 dB to –15 dB)• Detachable, single-sided connection cable made from highly conductive

OFC copper• Replaceable parts for long life


Technical DataFrequency response 12 – 22,000 HzTransducer principle dynamic, closedFrequency characteristic diffuse field equalisedImpedance 64 ΩCharacteristic SPL 106 dB

at 1 kHz, 1 Vrms

THD < 0.2 % at 1 kHzEar coupling circumauralContact pressure approx. 5 NWeight (without cable) approx. 220 gConnector 3.5 mm Ø stereo mini



12-22,000 Hz 64 Ω < 0.2 % 3.5/6.3 mm OFC 3 m220 g


Product Variants


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HD 62 TVDynamische Kopfhörer


Cat. No. 05181

Technical DataFrequency response 25–20,000 HzTransducer principle dynamic, closedImpedance 32 ΩSchalldruckpegel 115 dB (SPL)THD < 0.5 %Ear coupling supra-auralWeight (without cable) ca. 140 gConnector 3.5/6.3 mm stereo

jack plugConnection cable 0.8 m + 5.2 m

Replacement PartsEar pads (1 pair) Cat. No. 85708Connection cable Cat. No. 83380Stereo volume control HZR 62 Cat. No. 05248

25-20,000 Hz 32 Ω < 0.5 % 3.5/6.3 mm OFC 6 mca. 140 g

Product Variants

The HD 62 TV is a pair of closed TV stereo headphones, with an extra-longconnection cable that has an integrated volume control, for direct connection to TVsets. The headphones feature excellent speech intelligibility and a good reproductionof the TV sound. The volume control has separate controls for the left and rightchannels and can thus be individually adapted to your hearing.

Features• Closed, dynamic TV stereo headphones• Eliminates annoying headphone tizz: due to their closed design, the HD 62 TV

headphones not only attenuate ambient noise for the user but also preventothers from being disturbed by leaking sound

• Very comfortable to wear due to lightweight yet rugged design, ideal even forlong TV nights

• Clear stereo sound, excellent speech intelligibility• Powerful neodymium magnets and ultra-lightweight diaphragms for high levels• Integrated volume control, left and right channels can be adjusted separately• 6m highly conductive OFC copper cable• 3.5/6.3 mm (_”) stereo jack plug ensures universal compatibility• Replaceable leatherette ear pads, detachable extension cable with volume control • 2-year guarantee

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How electrostatic transducers workElectrostatic transducers are comprised of an ultra-thin diaphragm sandwiched be-tween two acoustically transparent electrodes which drive the diaphragm over itsentire surface. The diaphragm consists of an extremely thin gold-plated polymerfoil which responds to the slightest changes in the audio signal. Its elliptic shapesuppresses standing waves, which can result at the edge from the even flow of theshape. The two honeycomb, perforated electrodes, made from high-tensile specialglass and plated on one side, have been specially developed to produce a highpolarisation voltage and ensure an outstandingly high level of sensitivity.

Connection cableElectrostatic headphones are equipped with an oxygen-free 6-core OFC coppercable as standard.

Description of modelsHE... HE headphones are equipped with electrostatic transducers.

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Cat. No. Model Brief Description Variants Page03073 HE 90 Orpheus™ Electrostatic stereo headphones03074 HEV 90 Orpheus™ Audiophile-quality valve (vacuum tube) amplifier – 35

Overview

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HE 90/HEV 90 Orpheus™Electrostatic Headphones

The Orpheus combination offers the audiophile the ultimate in reference soundreproduction. “The Best Headphones In The World” – that is the unanimousverdict on the Orpheus reached by the international trade press. Audiophile limitededition – only 300 systems worldwide.

FeaturesHE 90 Headphones• Electrostatic transducer principle• 1 µm diaphragm• Electrodes made from special glass

HEV 90 Amplifier• High-end valve (vacuum tube) amplifier• All valve analogue signal path• On-board dedicated bit-stream digital to analogue converter


Product Variants

Cat. No. 03073 HE 90Cat. No. 03074 HEV 90

Technical Data – HeadphonesTransducer principle electrostaticEar coupling circumauralFrequency response 7 – 100,000 Hz (–10 dB)

14 – 85,000 Hz (–6 dB)25 – 75,000 Hz (–3 dB)

Frequency characteristic diffuse field equalised Contact pressure 4.6 NTHD at SPL of 110 dB (94 dB) < 0.1 % (< 0.01 %)Nominal sensitivity(V = 100 V) ≥ 98 dB/1 kHzPolarisation voltage 500 VWeight (without cable) 365 gConnector 5-pin HV plugConnection cable 3 m, 6-core

OFC copper cable,gold-plated contacts

Dimensions 19 x 10 x 21.5 cm


Technical Data – AmplifierFrequency response 10 – 20,000 Hz (–0.25 dB)THD (1 kHz) < 0.01 %Unweighted S/N ratio ≥ 80 dBSensitivity/impedance 10 kΩCrosstalk attenuation (1 kHz) ≥ 80 dBOutput voltage 400 Vrms

Line inputs (switchable) optical, digital (Toslink)co-axial, digital (RCA phono)(automatic recognition of incoming samplingfrequency)co-axial, analogue (RCA phono)

Outputs for 2 HE 90 headphonesWeight approx. 13 kgDimensions 53 x 34 x 15.5 cm

HE 90 HEV 90

< 0.01 % 7-100,000 Hz 365 g OFC, 3 m 10-20,000 Hz 13 kgHV

connector

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Cordless IR Headphones

How infra-red technology worksCordless infra-red audio transmission overcomes the constrictions of a headphonecable. Modulated infra-red light replaces the cable linking the sound source to theheadphones.

The basic infra-red transmission path consists of a transmitting diode whichradiates the infra-red light, and a corresponding infra-red receiving diode. This isalso the operating principle of, for example, a television infra-red remote control.

The transmitter emits the IR light from a row of light-emitting diodes (LEDs). Theradiated light has a wavelength of approximately 880 nm or 950 nm, depending onthe type of diode used. The light is not radiated at a single frequency, but over anarrow range of frequencies in the infra-red light spectrum.

The infra-red diodes are modulated by varying the intensity of the light they emit.The simplest form of modulation operates by varying the intensity of the light inrelation to the sound signal. However, low frequencies are subject to interferencefrom fluorescent lights in this type of system, so Sennheiser uses a combination ofamplitude and frequency modulation. Each channel of a stereo signal uses a carrierfrequency that is amplitude-modulated, the audio signal is then frequency-modu-lated onto this carrier. By the use of modern technology, carrier frequencies of upto 2.8 MHz can be used.

The optical power output of an infra-red diode is only about 16 mW (GaAs) or 20 mW (GaAlAs), so a number of emitter diodes are used to increase the overallradiating power of the transmitter, with the radiated pattern being controlled bythe diode’s lens.

The transmitter diodes work in conjunction with the receiver’s photodiodes whichconvert the incoming infra-red light signal back into an electrical signal. When lightis received by the photodiode, a current is generated in the diode. Because of thevery small photosensitive surface area of 7 mm2, receiver diodes are usually used inconjunction with convex “frog eye” shaped lenses. A “black filter” is also used withthe receiver diode to filter out the effects of visible light.

Infra-red audio transmission is the ideal solution where cordless headphones arerequired for different sound systems in the same building, as the infra-red signal isrestricted to the room.

Description of modelsIS.... Complete systems consisting of infra-red transmitters and headphones

can be identified by the inclusion of the letters IS in their model number.

HDI .... Supplementary IR headphones are designated by the letters HDI in their model number.

RI .... Supplementary IR stethoset receivers are designated by the letters RI in their model number.

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Cordless IR Headphones OverviewCat. No. Model Brief Description Variants Page04379 IS 150 Mono Stethoset system, consisting of infra-red transmitter

and mono stethoset receiver04380 IS 150-12004381 IS 150-UK 3904150 IS 300 Stereo Stethoset system, consisting of infra-red transmitter

and stereo stethoset receiver04151 IS 300-12004152 IS 300-UK 4004449 IS 380 Headphone system, consisting of infra-red transmitter

and hi-fi stereo headphones04450 IS 380-12004451 IS 380-UK 41

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IS 150 MonoCordless IR Headphones

Recommended AccessoriesAccupack BA 151 Cat. No. 04146Suppl. stethoset receiver RI 150 Cat. No. 04383Replacement ear-cushions EP 1 (black, firmer version, 4 pieces) Cat. No. 04655Replacement ear-cushions EP 2 (transp., softer version, 4 pieces) Cat. No. 04656

Headphones

The IS 150 Mono system consists of the TI 150 infra-red transmitter and the RI 150 infra-red mono stethoset receiver and can be connected directly to televisionsets fitted with a headphone jack socket. The stethoset headphones feature anon/off/volume control. One transmitter can supply several RI 150 stethoset receivers.

Features• Very easy to use• Excellent speech intelligibility, good music reproduction• Transmitter with radiating power for rooms of up to 60 m2

• Excellent transmission reliability due to new carrier frequency (2.3 MHz)• Receiver powered by environmentally friendly NiMH rechargeable accupack• Transmitter can charge two accupacks at the same time• Lightweight receiver (45 g incl. accupack), very comfortable to wear• Delivery includes: 1 RI 150 mono stethoset receiver, 1 BA 151 accupack,

1 TI 150 transmitter, 1 plug-in mains unit, 1 spare set of ear-cushions, 1 AF connection cable with 3.5 mm/1/4” jack plug

Cat. No. 04379

Product VariantsIS 150-120 as IS 150, but with USA plug-in mains unit and AF connection cable with RCA phono connector Cat. No. 04380IS 150-UK as IS 150, but with UK plug-in mains unit Cat. No. 04381

Replacement PartsReplacement ear-cushions, black (firmer version) Cat. No. 37080Replacement ear-cushions, transparent (softer version) Cat. No. 40949Adaptor cable for connection to SCART socket Cat. No. 47874

Technical Data – RI 150 Stethoset Receiver Modulation FM, monoReceiving frequency 2.3 MHzFrequency response 18 – 18,000 HzTHD < 1 %Signal-to-noise ratio typ. 70 dBMax. SPL approx. 110 dBOperating time approx. 6 h per accupackWeight (incl. accupack) 45 gDimensions 137 x 188 x 20 mm

Technical Data – TI 150 TransmitterModulation FM, monoCarrier frequency 2.3 MHzFrequency response 18 – 18,000 HzTHD < 1 %Signal-to-noise ratio typ. 70 dBPower consumption 7 VAPower supply via plug-in mains unit

European version NG 12-DCUSA version NG 12-120UK version NG 12-UK

Connector 3.5 mm jack plug with adaptor to 1/4” (6.3 mm) jack plug

Weight approx. 170 gDimensions 135 x 35 x 88 mmTotal height(transmitter with receiver) 205 mm

18-18,000 Hz 45 g 3.5/6.3 mm2.3 MHz

RI 150 TI 150

18-18,000 Hz

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IS 300 StereoCordless IR HeadphonesHeadphones

Cat. No. 04150

Product VariantsIS 300-120 as IS 300, but with USA plug-in mains unit and AF connection cable with RCA phono connector Cat. No. 04151IS 300-UK as IS 300, but with UK plug-in mains unit Cat. No. 04152

Recommended AccessoriesAccupack BA 151 Cat. No. 04146Suppl. stethoset receiver RI 300 Cat. No. 04378Replacement ear-cushions EP 1 (black, firmer version, 4 pieces) Cat. No. 04655Replacement ear-cushions EP 2 (transp., softer version, 4 pieces) Cat. No. 04656

Replacement PartsReplacement ear-cushions, black (firmer version) Cat. No. 37080Replacement ear-cushions, transparent (softer version) Cat. No. 40949Adaptor cable for connection to SCART socket Cat. No. 47874

Technical Data – RI 300 Stethoset Receiver Modulation FM, stereoReceiving frequencies 2.3/2.8 MHzFrequency response 18 – 18,000 HzTHD < 1 %Signal-to-noise ratio typ. 64 dBMax. SPL approx. 110 dBOperating time approx. 5 h per accupackWeight (incl. accupack) 45 gDimensions 137 x 188 x 20 mm

Technical Data – TI 300 TransmitterModulation FM, stereoCarrier frequencies 2.3/2.8 MHzFrequency response 18 – 18,000 HzTHD < 1 %Signal-to-noise ratio typ. 64 dBPower consumption 10 VAPower supply via plug-in mains unit

European version NG 20USA version NT 20-120UK version NT 20-UK

Connector 3.5 mm jack plug with adaptor to 1/4” (6.3 mm) jack plug


The IS 300 Stereo system consists of the TI 300 infra-red transmitter and the RI 300 infra-red stereo stethoset receiver. It can be connected directly to televisionsets and hi-fi systems via the headphone jack socket. The stethoset headphonesfeature an on/off/volume control. One transmitter can supply several RI 300stethoset receivers.

Features• Very easy to use• Excellent speech intelligibility, good music reproduction• Transmitter with radiating power for rooms of up to 60 m2

• Excellent transmission reliability due to new carrier frequencies (2.3/2.8 MHz)• Receiver powered by environmentally friendly NiMH rechargeable accupack• Transmitter can charge two accupacks at the same time• Lightweight receiver (45 g incl. accupack), very comfortable to wear• Delivery includes: 1 RI 300 stereo stethoset receiver, 1 BA 151 accupack,

1 TI 300 transmitter, 1 plug-in mains unit, 1 spare set ofear-cushions, 1 AF connection cable w. 3.5 mm/1/4” jack plug

18-18,000 Hz 45 g 3.5/6.3 mm2.3/2.8 MHz

RI 300 TI 300

18-18,000 Hz

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Headphones

IS 380Cordless IR Headphones

The IS 380 system consists of the TI 380 infra-red transmitter and HDI 380 hi-fistereo headphones. High sound quality is matched by excellent comfort for thewearer and modern styling. The transmitter can be connected to the headphonesocket of any sound source.

Features• Headphones extremely comfortable to wear• Can be connected to televisions, hi-fi systems, CD players and DAT or

MD recorders• High sound quality• Delivery includes: 1 pair of HDI 380 headphones, 1 BA 151 accupack,

1 TI 380 transmitter, 1 plug-in mains unit,1 AF connection cable with 3.5 mm/1/4” jack plug

Recommended AccessoriesAccupack BA 151 Cat. No. 04146Supplementary headphones HDI 380 Cat. No. 04571

Product VariantsIS 380-120 as IS 380, but with USA plug-in mains unit Cat. No. 04450IS 380-UK as IS 380, but with UK plug-in mains unit Cat. No. 04451

Cat. No. 04449

Technical Data – HDI 380 HeadphonesModulation FMCarrier frequencies 2.3/2.8 MHzFrequency response 20 – 19,000 HzTHD < 1 %Signal-to-noise ratio typ. 46 dB(A)Operating time approx. 4 h per accupackMax. SPL approx. 106 dBWeight approx. 190 g

Replacement PartsEar pads (1 pair) Cat. No. 70831Adaptor cable for connection to SCART socket Cat. No. 47874

Technical Data – TI 380 TransmitterModulation FMCarrier frequencies 2.3/2.8 MHzTHD < 1 %Signal-to-noise ratio typ. 46 dB(A)Power consumption 3 VAWeight approx. 190 gConnector 3.5 mm Ø stereo mini


20-19,000 Hz < 1 % 190 g 3.5/6.3 mm2.3/2.8 MHz

HDI 380 TI 380

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Wireless RF Headphones

How radio frequency technology worksSennheiser’s latest headphone development are wireless headphone systems withRF audio transmission. Here, the cable linking the sound source to the headphonesis replaced by radio waves – just as infra-red light replaces the cable for infra-redheadphones.

The basic RF transmission path consists of a transmitter connected to the soundsource which transmits the audio signal to an RF receiver integrated into theheadphones.

In the transmitter, the audio signal is modulated onto an RF carrier and then radi-ated via the transmitter’s antenna. The RF headphones have a built-in receiverwhich picks up the radiated signal, demodulates it and converts it back to theoriginal audio signal.

Most Sennheiser RF systems feature three switchable channels, thus ensuringoptimum reception – systems which are operated close to one another can be set todifferent channels. Of course, the transmitter and the headphone receiver have tooperate on the same frequency, so the headphones have a tuning control to setthem to the channel chosen on the transmitter. A special filter protects theheadphone receiver against interfering signals e.g. from amateur radiotransmission.

The technology used is basically that of the tried and tested RF transmissionsystems used on stage – only that, with headphones, the sound transmitted is directlyreproduced and the receiver is mobile.

The great advantage of RF transmission over infra-red transmission is that the RFaudio signal can travel through walls and ceilings – which offers an unmatched freedom of movement. Sennheiser RF headphones can have a range of up to about100 m (925 MHz models have lower range), so the user can move around in thehouse or even outside, e.g. in the garden.

Please note: Due to varying licensing regulations, not all headphone systems arelegal in all countries. We would therefore advise purchasing a system only in thecountry of intended use.

Description of modelsRS .... Complete systems consisting of RF transmitters and headphones can be

identified by the inclusion of the letters RS in their model number.

HDR .... Supplementary RF headphones are designated by the letters HDR in their model number.

RR .... Supplementary RF stethoset receivers are designated by the letters RR in their model number.

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Wireless RF Headphones

Cat. No. Model Brief Description Variants Page04806 RS 30 Headphone system, consisting of radio frequency transmitter RS 30-404807 and radio frequency hi-fi stereo headphones RS 30-804808 RS 30-8 UK04809 RS 30-9 4504810 RS 40 Headphone system, consisting of radio frequency transmitter RS 40-404811 and radio frequency hi-fi stereo headphones RS 40-804812 RS 40-8 UK04813 RS 40-9 4604948 RS 45 Headphone system, consisting of radio frequency transmitter RS 40-404949 and radio frequency hi-fi stereo headphones RS 40-804950 RS 40-8 UK04951 RS 40-9 4704952 RS 65 Headphone system, consisting of radio frequency transmitter RS 60-404953 and radio frequency hi-fi stereo headphones RS 60-804954 RS 60-8 UK04955 RS 60-9 4804956 RS 85 Headphone system, consisting of radio frequency transmitter RS 80-404957 and radio frequency hi-fi stereo headphones RS 80-804958 RS 80-8 UK04959 RS 80-9 4904387 RS 2400 Stereo Stethoset system, consisting of radio frequency transmitter –

and radio frequency stereo stethoset receiver 50

Overview

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Wireless RF Headphones RS 30

Technical Data – T 30 TransmitterCarrier frequencies 434 MHz variant:

434.15 MHz, 433.4 MHz,434.5 MHz (switchable)836 MHz variant:863.25 MHz,863.75 MHz(switchable)925 MHz variant:925.0 MHz, 926.0 MHz, 926.5 MHz (switchable)

Range up to approx. 100 m (up to approx. 30 m for 925 MHz variant)

Modulation FM stereoSignal-to-noise ratio typ. > 68 dBAAudio connector 3.5 mm stereo jack plug

with adaptor to 1/4” (6.3 mm) stereo jack plug(925 MHz variant with adaptor to RCA phono connectors)

Charging options 1, for BA 151Weight (w/o mains unit) approx. 186 gDimensions 155 x 153 x 105 mm

Cat. No. 04806 RS 30-4 (434 MHz)Cat. No. 04807 RS 30-8 (863 MHz)Cat. No. 04809 RS 30-9 (925 MHz)

Replacement PartsEarpads (1 pair) Cat. No. 77963

Technical Data – HDR 30 Headphone ReceiverTransducer principle dynamic, openFrequency response 30–19,500 HzTHD < 0.7 % Max. SPL 96 dBPower supply via BA 151 accupack,

2.4 VOperating time over 4 h per accupackWeight (with BA 151) approx. 160 g

The RS 30 wireless RF headphone system with open, supra-aural headphonesoffers analytical sound reproduction for “live” effects and a fresh bass response. Itstransparent and balanced sound makes this system an ideal choice for rock andpop music. The ideal entry into the cordless world of sound.

Features• Analytical sound reproduction for “live” effects, fresh bass response, transparent

and balanced sound for rock and pop music• Transmitter conveniently stores the headphones• Reception through walls and ceilings, in the home and outside in the garden

within a range of up to approx. 100 m (30 m for 925 MHz variant)• Three switchable channels (2 for 863 MHz variant) for simultaneous operation

of several systems• Special audio filter in the transmitter eliminates TV interference• Very lightweight headphones, extremely comfortable to wear

Product VariantsRS 30-8 UK 863 MHz variant with UK plug-in mains unit Cat. No. 04808

Recommended AccessoriesSCART adaptor (Scart plug to Scart plug + 3.5 mm jack coupling) Cat. No. 47874RCA phono adaptor (3.5 mm jack coupl. to 2 RCA phono plugs) Cat. No. 72415Spare accupack BA 151 Cat. No. 04146Supplementary headphones HDR 45-4 (434 MHz) Cat. No. 04960Supplementary headphones HDR 45-8 (863 MHz) Cat. No. 04961Supplementary headphones HDR 45-9 (925 MHz) Cat. No. 04962

2.46HeadphonesWireless RF Headphones RS 40



Range up to approx. 100 m(up to approx. 30 m for925 MHz variant)



Charging options 2, for headphones plus spare accupack

Weight (w/o mains unit) approx. 186 gDimensions 155 x 153 x 105 mm





The RS 40 wireless RF headphone system with open supra-aural headphonesfeatures very good, spatial sound reproduction with a powerful bass response. The transmitter conveniently stores and recharges the headphone battery.

Features• Spatial sound reproduction with powerful bass response• Reception through walls and ceilings, in the home and outside in the garden


of several systems• Lightweight headphones with soft, fabric earpads for extended listening comfort• Headphones incorporate volume and channel controls• Special audio filter in the transmitter eliminates TV interference• Transmitter with automatic off function



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Charging options 2, for headphones plus spare accupack






The RS 45 wireless RF headphone system with open supra-aural headphonesfeatures very good, spatial sound reproduction with a powerful bass response. The transmitter conveniently stores and recharges the headphone battery. The RS 45comes equipped with Center-LockTM Auto-Tuning. A simple touch of a button, andthe headphones will automtically adjust to the transmitter (and can simply be re-turned with a second touch if it locks on to your neighbour’s transmitter).

Features• Headphones incorporate volume control and one-touch auto-tuning• Lightweight headphones with spatial sound reproduction and powerful bass response• Reception through walls and ceilings, in the home and outside in the garden


of several systems• Transmitter with automatic off function and special audio filter



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with adaptor to 1/4” (6.3 mm) stereo jack plug (925 MHz variant with adaptor to RCA phono connectors)

Charging options 2, for headphones plus second BA 151






The RS 65 wireless RF headphone system with open, circumaural headphonesfeatures an integrated, switchable SRS™ processor for impressive surround sound.The system has very transparent and balanced sound reproduction. The RS 65comes equipped with Center-LockTM Auto-Tuning. A simple touch of a button, andthe headphones will automtically adjust to the transmitter (and can simply be re-turned with a second touch if it locks on to your neighbour’s transmitter).

Features• SRS™ processor delivers amazing surround sound• Headphones incorporate volume control and one-touch auto-tuning• Reception through walls and ceilings, in the home and outside in the garden

within a range of up to approx. 100 m (30 m for 925 MHz variant)• Three switchable channels (2 for 863 MHz variant)• Headphones feature SAW input filter to eliminate RF interference• Supplied with second accupack• Special audio filter in the transmitter eliminates TV interference• Very lightweight and comfortable headphones with soft, velvet-like earpads


Recommended AccessoriesSCART adaptor (Scart plug to Scart plug + 3.5 mm jack coupling) Cat. No. 47874RCA phono adaptor (3.5 mm jack coupl. to 2 RCA phono plugs) Cat. No. 72415Supplementary headphones HDR 65-4 (434 MHz) Cat. No. 04963Supplementary headphones HDR 65-8 (863 MHz) Cat. No. 04964Supplementary headphones HDR 65-9 (925 MHz) Cat. No. 04965

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Range up to approx. 100 m(up to approx. 30 m for 925 MHz variant)


with adaptor to 1/4” (6.3 mm) stereo jack plug and adaptor to RCA phono connectors

Charging options 2, for headphones plus second BA 151






The RS 85 wireless RF headphone system with open, circumaural headphonesfeatures HiDyn plus™ noise reduction for wide dynamics and superb sound quality,ensuring a very natural and detailed sound reproduction. The RS 85 comesequipped with Center-LockTM Auto-Tuning. A simple touch of a button, and theheadphones will automtically adjust to the transmitter (and can simply be re-turnedwith a second touch if it locks on to your neighbour’s transmitter).

Features• Uncompromising sound quality due to HiDyn plus™ noise reduction• Lightweight, comfortable headphones incorporate volume control, one-touch

auto-tuning and SAW input filter to eliminate RF interferences• Reception through walls and ceilings, in the home and outside in the garden

within a range of up to approx. 100 m (30 m for 925 MHz variant)• Three switchable channels (2 for 863 MHz variant• Supplied with second accupack • Special audio filter in the transmitter eliminates TV interference


Recommended AccessoriesSCART adaptor (Scart plug to Scart plug + 3.5 mm jack coupling) Cat. No. 47874Supplementary headphones HDR 85-4 (434 MHz) Cat. No. 04966Supplementary headphones HDR 85-8 (863 MHz) Cat. No. 04967Supplementary headphones HDR 85-9 (925 MHz) Cat. No. 04968

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Wireless RF Headphones RS 2400 Stereo

Recommended AccessoriesAccupack BA 151 Cat. No. 04146Suppl. stethoset receiver RR 2400 Cat. No. 04388Replacement ear-cushions EP 1 (black, firmer version, 4 pieces) Cat. No. 04655Replacement ear-cushions EP 2 (transp., softer version, 4 pieces) Cat. No. 04656

Replacement PartsReplacement ear-cushions (black, firmer version) Cat. No. 37080Replacement ear-cushions (transparent, softer version) Cat. No. 40949Adaptor cable for connection to SCART socket Cat. No. 47874

Technical Data – RR 2400 Stethoset Receiver Modulation FM, stereoReceiving frequencies 433.05 – 434.75 MHzFrequency response 18 – 18,000 HzTHD < 1 % (1 kHz)Signal-to-noise ratio > 65 dB(A)Max. SPL approx. 110 dBOperating time approx. 4 h per accupackWeight (incl. accupack) 45 gDimensions 137 x 188 x 20 mm

Technical Data – TR 2400 TransmitterModulation FM, stereoCarrier frequencies 433.40 MHz, 434.15 MHz,

434.50 MHzFrequency response 18 – 18,000 Hz

(with 15 kHz TV filter)THD < 1 % (1 kHz)Signal-to-noise ratio > 70 dB(A)RF output power typ. 10 mWPower supply via NT 20 plug-in mains unitConnector 3.5 mm jack plug with

adaptor to 1/4” (6.3 mm) jack plug


The RS 2400 Stereo system consists of the TR 2400 RF transmitter and the RR 2400 RF stereo stethoset receiver and can be connected directly to television setsand hi-fi systems via the headphone socket. The lightweight stethoset headphonesfeature a convenient on/off/volume control.

Features• Excellent speech intelligibility, good music reproduction• Complete freedom of movement, range of up to 100 m, sound transmission

through walls• Choice of 3 frequencies for optimum reception• Receiver powered by environmentally friendly NiMH rechargeable accupack• Transmitter can charge two accupacks at the same time• Lightweight receiver (45 g incl. accupack), very comfortable to wear• Delivery includes: 1 RR 2400 stereo stethoset receiver, 1 BA 151 accupack,

1 TR 2400 transmitter, 1 plug-in mains unit, 1 spare set of ear-cushions, 1 set of sealing tape for adjusting the frequencyresponse, 1 AF connection cable with 3.5 mm/1/4” jack plug

Cat. No. 04387 (English, German)Cat. No. 04693 (French, Dutch)Cat. No. 04694 (Italian, Spanish)

Product Variants

™

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Headphones with NoiseGard™

Active Noise Compensation

One of the greatest stress factors of our time is noise. Research has shown thatambient noise affects the nervous system and can cause tiredness, poorconcentration, tension and irritability. Of even greater concern is the permanentdamage to the hearing that can result from such noise at high levels.

How the NoiseGard™ active noise compensation system worksThe NoiseGard™ active noise compensation system is based on the physicalprinciple of phase inversion. Tiny microphones in the ear-pieces pick up theextraneous noise, which the NoiseGard™ circuitry then cancels out by producinganti-noise (i.e. the original noise phase-shifted through 180°). As the annoying lowfrequency noise is largely situated in a different frequency range than speech, thehuman voice still remains clearly understable.

The diagram on the right shows how the NoiseGard™ noise compensation systemworks with open headphones. A 10 dB reduction in noise is subjectively perceivedas a halving of its volume.

Description of modelsHDC ... The HDC range of Sennheiser headphones are equipped with the

NoiseGard™ active noise compensation system.

Noise compensation with NoiseGard™ (open)

Attenuation/dB

200 Frequency/Hz100 20001000500

Reduction of subjectivelyperceived noise with

NoiseGard™

5000

0

10

20

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Headphones with NoiseGard™


Cat. No. Model Brief Description Variants Page03840 HDC 451-1

NoiseGard™ mobile Open stereo headphones with active noise compensation – 53

Overview

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HDC 451-1 NoiseGard™ mobile Headphones with NoiseGard™


The HDC 451-1 NoiseGard™ mobile are open stereo headphones with active noisecompensation for mobile applications.

Features• Reduction of ambient noise by up to 10 dB• Protects the hearing and reduces stress• Lightweight and comfortable to wear• Considerably improves audio reproduction quality in noisy environments• Powered via 2 AA size alkaline batteries or environmentally friendly

NiCd rechargeable batteries• Delivery includes: 1 HDC 451 NoiseGard™ mobile

Product Variants

Cat. No. 03840

Technical Data Transducer principle dynamic, openEar coupling supra-auralFrequency response 20 – 18,000 HzNominal impedance 250 ΩTHD ≤ 1 %Rated input voltage 387 mV at 1 Pa (94 dB)Active attenuation 10 dB ± 3 dBMax. SPL 100 dB linearOperating voltage 2 x 1.5 VContact pressure approx. 1.6 NWeight without cable approx. 110 gConnection cable 2 m, single-sidedPlug 3.5 mm stereo jack plugPower supply 2 x 1.5 V (AA) alkaline-

manganese batteries or 2 x 1.2 V NiCd rechargeable batteries (AA) 600 mAh

Operating time approx. 80 h (battery)approx. 20 h (NiCd)



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Supplementary IR and RF Headphones,Accessories

Cat. No. Model Brief Description Variants Page4383 RI 150 IR mono stethoset receiver – 5604378 RI 300 IR stereo stethoset receiver – 5604571 HDI 380 IR hi-fi stereo headphones – 5604960 HDR 45 RF hi-fi stereo headphones HDR 45-404961 HDR 45-804962 HDR 45-9 5604963 HDR 65 RF hi-fi stereo headphones HDR 65-404964 HDR 65-804965 HDR 65-9 5704966 HDR 85 RF hi-fi stereo headphones HDR 85-404967 HDR 85-804968 HDR 85-9 5704388 RR 2400 RF stereo stethoset receiver – 5705248 HZR 62 Stereo volume control and headphone extension cable – 5852708 – Headphone cable with right-angled jack plug – 5804146 BA 151 Accupack for IS 150, IS 300, IS 380, RS 30, RS 40,

RS 60, RS 80 and RS 2400 systems – 5804457 L 151-2 Charging unit for two BA 151 accupacks04458 L 151-UK04459 L 151-120 5804494 L 151-10 Charging unit for ten BA 151 accupacks 5903357 NT 92 Plug-in mains unit for one L 151-10 charging unit03359 NT 92-UK03358 NT 92-120 59

Overview

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Supplementary IR and RF Headphones

IR mono stethoset receiver

Supplementary receiver for the IS 150 system.

RI 150

Cat. No. 04383

IR stereo stethoset receiver

Supplementary receiver for the IS 300 system.

RI 300

Cat. No. 04378

IR hi-fi stereo headphones

Supplementary headphones for the IS 380 system.

HDI 380

Cat. No. 04571

RF hi-fi stereo headphones

Supplementary headphones for the RS 30, RS 40 andRS 45 systems, available as 434 MHz, 863 MHz and 925 MHz version.

HDR 45-4

Cat. No. 04960

HDR 45-8

Cat. No. 04961

HDR 45-9

Cat. No. 04962

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Supplementary IR and RF Headphones


Supplementary headphones for the RS 60 and RS 65systems, available as 434 MHz, 863 MHz and 925 MHzversion.

HDR 65-4

Cat. No. 04963

HDR 65-8

Cat. No. 04964

HDR 65-9

Cat. No. 04965


Supplementary headphones for the RS 80 and RS 85systems, available as 434 MHz, 863 MHz and 925 MHzversion.

HDR 85-4

Cat. No. 04966

HDR 85-8

Cat. No. 04967

HDR 85-9

Cat. No. 04968

RF stereo stethoset receiver

Supplementary receiver for the RS 2400 system.

RR 2400

Cat. No. 04388

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Accessories

Stereo volume control

For all headphones with 3.5 mm jack plug, 6 m cablewith mono/stereo switch and separate left/right volumecontrols.

HZR 62

Cat. No. 05248

Headphone cable with right-angled jack plug

For stereo headphones with plug-in connection cables.Suitable for connection to equipment where a straightplug is not suitable.Length: 1.5 mConnector: 3.5 mm right-angled jack plug

Cat. No. 52708

Accupack

The BA 151 accupack is suitable for the IS 150, IS 300, IS 380, RS 30, RS 40, RS 60, RS 80 and RS 2400 systems.

BA 151

Cat. No. 04146

Charging unit

Charging unit for two BA 151 accupacks. Available asEuropean, UK and USA versions.

L 151-2

Euro version: L 151-2Cat. No. 04457

UK version: L 151-2-UK Cat. No. 04458

USA version: L 151-2-120Cat. No. 04459

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Accessories

Charging unit

Charging unit for up to 10 BA 151 accupacks or RI 150, RI 300 and RR 2400 receivers. Requires theNT 92 plug-in mains unit.

Charging time approx. 10 hPower supply 12 V DCDimensions 325 x 98 x 42 mmWeight approx. 400 g

L 151-10

Cat. No. 04494

Plug-in mains unit

Plug-in mains unit for one L 151-10 charging unit.Available as European, UK and USA versions.

NT 92

Euro version: NT 92Cat. No. 03357

UK version: NT 92-UKCat. No. 03359

USA version: NT 92-120Cat. No. 03358

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IndexModel Cat. No. Page Model Cat. No. Page Model Cat. No. Page

BA 151 ..............................04146 ..............56

HD 200 Master ................04592 ..............23

English, French ..................04592 ..............23

Am. English, Spanish..........04593 ..............23

German, Italian ..................04478 ..............23

HD 202 ..............................05176 ............24

HD 212 Pro ......................05180 ............25

HD 25 ................................02976 ..............21

HD 250 II Linear ............04393 ..............26

HD 25 SP ..........................03759 ..............22

HD 26 ................................04212 ................8

HD 265 Linear ................04196 ..............27

HD 270 Control ..............04549 ..............28

English, French ..................04594 ..............28


German, Italian ..................04479 ..............28

HD 433 ..............................04472 ..............11

HD 433 ..............................04472 ............11

HD 437 ..............................05175 ............12

HD 457 ..............................05177 ............13

HD 477 ..............................05178 ............14

HD 497 ..............................05179 ............15

HD 500 Fusion ................04589 ..............16

English, French ..................04589 ..............16


German, Italian ..................04484 ..............16

HD 570 Symphony ..........04553 ..............17

English, French ..................04553 ..............17


German, Italian ..................04485 ..............17

HD 580 Precision ............04195 ..............18

HD 590 Prestige ..............04590 ..............19

English, French ..................04590 ..............19


German, Italian ..................04486 ..............19

HD 600 Avantgarde ........04465 ..............20

HD 62 TV ........................05181 ..............29

HDC 451-1

NoiseGard™ mobile ........03840 ..............53

HDI 380 ............................04571 ..............56

HDR 45-4 ..........................04960 ..............56

HDR 45-8 ..........................04961 ..............56

HDR 45-9 ..........................04962 ..............56

HDR 65-4 ..........................04963 ..............57

HDR 65-8 ..........................04964 ..............57

HDR 65-9 ..........................04965 ..............57

HDR 85-4 ..........................04966 ..............57

HDR 85-8 ..........................04967 ..............57

HDR 85-9 ..........................04968 ..............57

HE 90 ................................03073 ..............35

HEV 90 Orpheus™ ..........03074 ..............35

HZR 62 ............................05248 ..............58

IS 150-120 ..........................04380 ..............39

IS 300 Stereo ....................04150 ..............40

IS 380 ................................04449 ..............41

L 151 .......................................................... 58

Euro vers.: L 151-2 ............04457 ..............58

UK vers.: L 151-2 UK........04458 ..............58

USA vers.: L 151-2-120 ......04459 ..............58

L 151-10 .................................................... 59

MX 300 ..............................04418 ................7

MX 400 ..............................04419 ................7

MX 500 ..............................04420 ................7

NT 92 ................................03357 ..............59

Euro vers.: NT 92 ..............03357 ..............59

UK vers.: NT 92-UK ........03359 ..............59

USA vers.: NT 92-120........03358 ..............59

PX 30 ................................04851 ..............9

PX 40 ................................04850 ............10

RI 150 ................................04383 ..............56

RI 300 ................................04378 ..............56

RR 2400 ............................04388 ..............57

RS 2400 Stereo ................04387 ..............50

English, German ................04387 ..............50

French, Dutch ....................04693 ..............50

Italian, Spanish....................04694 ..............50

RS 30-4 ..............................04806 ..............45

RS 30-8 ..............................04807 ..............45

RS 30-9 ..............................04809 ..............45

RS 40-4 ..............................04960 ..............46

RS 40-8 ..............................04961 ..............46

RS 40-9 ..............................04813 ..............46

RS 45-4 ..............................04948 ..............47

RS 45-8 ..............................04949 ..............47

RS 45-9 ..............................04951 ..............47

RS 65-4 ..............................04952 ..............48

RS 65-8 ..............................04953 ..............48

RS 65-9 ..............................04955 ..............48

RS 85-4 ..............................04956 ..............49

RS 85-8 ..............................04957 ..............49

RS 85-9 ..............................04959 ..............49

Sennheiser is a registered trademark of Sennheiser electronic GmbH & Co. KG.BioNetic, CenterLock, freeSound, HeadMax, HiDyn plus, Orpheus and NoiseGard are trademarks of Sennheiser electronic GmbH & Co. KG.

is a trademark of SRS Labs, Inc.

LATIN AMERICACaribbeanTropical Music USAMiami, FL33143Phone +1/305/740 7454Fax +1/305/740 7456e-Mail: [email protected]

MexicoSennheiser Mexico S. A. de C. V.03100 Mexico, D. F.Phone +52/5/639 0956Fax +52/5/639 9482e-Mail: [email protected]

SOUTH AMERICAArgentiniaARS technologies(1419) Buenos Aires, Cap.Fed. ArgentinaPhone: +54/11 4574 3666Fax: +54/11 4574 3666e-Mail: [email protected]

BoliviaArze & Asociados La PazPhone +1/591/222 2686Fax +1/591/222 2686e-Mail: [email protected]

BrazilEurobras Ltda. ②20030 Rio de JaneiroPhone +55/21 2 40 33 99Fax +55/21 2 40 64 30e-Mail:[email protected]

Inline Comércio, Exportação eImportadora Ltda. ④São Paulo / SP / 04047-001Phone +55/11/5072 6624/

5078 8933Fax +55/11/5583 1398e-Mail: [email protected]

ChileStelauphipat S.A.SantiagoPhone +56/2/226 5401Fax +56/2/226 7809e-Mail: [email protected]

ColombiaGrupo DisctronicsMedellin, AntioquiaPhone +57/4 262 5355Fax +57/4 232 0662e-Mail:[email protected]

VCR Ltda. ① ② ④Bogota, DCPhone +57/1/218 2906Fax +57/1/691 2244e-Mail: [email protected]

Costa RicaProvideo S.A.San JosePhone: +506/250 6327Fax: +506/250 6327e-Mail: [email protected]

El SalvadorAudio Video Professional S.A.San SalvadorPhone +503/263 6326Fax +503/263 6327e-Mail: [email protected]

MexicoAMTEC S. A. de C. V. ②03100 Mexico, D. FPhone +52/5 669 2866Fax +52/5 669 3183e-Mail:[email protected]

Hermes Audio ④06400 Mexico, D.F.Phone +52/5 547 5365Fax +52/5 547 2912e-Mail: [email protected]

GILSAMA S.A. DE C.V. ③ ⑤14000, Mexico, D.F.MXPhone +525/485 3818Fax +525/485 3817e-Mail: [email protected]

PanamaDistribuidora Musical, S.A.Panama 7Phone: +507/223 0292Fax: +507/263 5142e-Mail: [email protected]

PeruEstemac Peruana S.A.Lima 18Phone +51/1/441 1855Fax +51/1/422 7384e-Mail:[email protected]

UruguayIntertec SRL ②Montevideo 1100Phone +598/2/900 0880Fax +598/2/908 2027e-Mail:[email protected]

VenezuelaAVCOM C.A.Caracas 1070Phone +58/2/239 0944Fax +58/2/237 8275e-Mail: [email protected]

ASIACoordination of Far Eastactivities

Sennheiser Electronic Asia Pte.Ltd. Singapore 119967Phone +65/2735202Fax +65/2735038e-Mail:[email protected]

BangladeshUnited Enterprises & Co. Ltd.Dhaka 1215Phone +880/2 912 5912Fax +880/2 911 5726e-Mail: [email protected]

China and HongkongSennheiser China Ltd.Kowloon, HongkongPhone +852//2371 2668Fax +852/2371 2328e-Mail: [email protected]

Artsound International Development Co. Ltd.Pan Yu, Guang DongPhone +8620/8481 1908Fax +8620/8481 1928e-Mail: [email protected]

Audio Link System Co. Ltd. ⑥Tsuen Wan NT, HongkongPhone +852/2416 6718Fax +852/2412 0525e-Mail:[email protected]

EverTop Int. Technology Ltd.Kowloon, HongkongPhone +852/ 2370 9722Fax +852/2370 3766e-Mail: [email protected]

Jolly ProAudio BroadcastEngineering Ltd.Kwun Tong, Kln.Hong KongPhone +852/2191 3660Fax +852/2191 3990e-Mail:[email protected]

Top Plot International Ltd. ① ④Kwai Chung, NT, HongkongPhone +852/2419 1868Fax +852/2419 9733e-Mail: [email protected]

IndiaDeepjyot ElectronicsNew Delhi 110 029Phone +9111/618 7495Fax +9111/618 7467e-Mail: [email protected]

Audio PlusMumbai 400 093Phone +9122/832 0268Fax +9122/822 2632e-Mail: [email protected]

Pace Communications Pvt. Ltd.Mumbai 400 053Phone +9122/633 5450Fax +9122/633 5453e-Mail: [email protected]

Sound TeamMumbai 400 064Phone +9122/881 4041Fax +9122/881 0374e-Mail:[email protected]

JapanGeneral Traders Ltd.Chiyoda-ku, Tokyo 101-0053Phone +81(0)3/32912761Fax +81(0)3/32915391e-Mail:[email protected]

Korea (Republic)Daikyung Vascom Co. Ltd. ① ② ④Kangnam-Gu, Seoul, KoreaPhone +822/578 1295Fax +822/578 1296e-Mail:[email protected]

Koil Corporation ②Joong-Ku, SeoulPhone +822/22710030Fax +822/22710040e-Mail: [email protected]

MalaysiaTegas Automation Sdn. Bhd. 60000 Kuala LumpurPhone +603/7729 6640Fax +603/7729 6641e-Mail: [email protected]

Acoustics & Lighting SystemSdn. Bhd. 47100 Puchong, SelangorPhone +603/8075 8990Fax +603/8075 8266e-Mail: [email protected]

Leapfrog Distribution Singapore 349276Phone +65/547 1611Fax +65/547 1711/252 8132e-Mail: –

MauritiusGami (Im- & Export) LtdPort LouisPhone +230/208 8575Fax +230/208 3951e-Mail: [email protected]

Damoo Sound & MusicPort LouisPhone +230/212 0583Fax +230/454 8555e-Mail: [email protected]

PhilippinesStage Craft International Inc.Mandaluyong CityPhone +632/637 5922Fax +632/637 5928e-Mail: [email protected]

SingaporeO´Connor´s Singapore Pte. Ltd.Singapore 118516Phone +65/473 7944Fax +65/472 4508e-Mail:[email protected]

Goh Joo Hin Pte. Ltd.Singapore 118540Phone +65/476 6012Fax +65/476 6075e-Mail: [email protected]

Sri LankaSwedish Trading Audio VisualPvt. Ltd.Colombo 7Phone +941/699 934Fax +94/7471 5056e-Mail: [email protected]

TaiwanSound Art Co. Ltd.Taipei, TaiwanPhone +8862/2307 2345Fax +8862/2303 7653e-Mail: [email protected]

Winly Production ServiceTaipei, TaiwanPhone +8862/2788 3375Fax +8862/2788 4957e-Mail: [email protected]

ThailandDigital Equipment and Transducer Company Ltd.Bangkok 10320Phone +667/276 8141Fax +662/276 8149e-Mail: [email protected]

Petch Siam Sound & LightingCo. Ltd.Bangkok10100Phone +662/662 6099Fax +662/226 2612e-Mail: [email protected]

EUROPEAustriaGrothusen Ges.m.b.H.1140 WienPhone +43/1/970220Fax +43/1/970229e-Mail: [email protected]

Belgium/LuxembourgSennheiser BELUX bvba1731 Asse-ZellikPhone +32/2/4664410Fax +32/2/4664920e-Mail: [email protected]

BulgariaProTechnica Bulgaria Ltd.1528 SofiaPhone +359/2/9782025Fax +359/2/9785870e-Mail: [email protected]

Czech RepublicPANTER s.r.o.130 00 Praha 3Phone +420/2/67312266Fax +420/2/71730262e-Mail: [email protected]

DenmarkKinovox A/S2730 HerlevPhone +45/44 53 30 11Fax +45/44 53 30 06e-Mail: [email protected]

EstoniaPro Media10128 TallinnPhone +372/641 8006Fax +372/641 8007e-Mail: [email protected]

FinlandINTO OY00810 HelsinkiPhone +358/9-755950Fax +358/9-7553581e-Mail: [email protected]

FranceSennheiser France SARL94204 Ivry-sur-Seine CedexPhone +33/1/49 87 03 00Fax +33/1/49 87 03 24e-Mail: [email protected]

Great BritainSennheiser UK Ltd.High WycombeBuckinghamshire,HP12 3SLPhone +44/1494/551551Fax +44/1494/551550e-Mail: [email protected]

Greece Ph. Nakas S. A. Music House11255 AthensPhone +30/10/2 28 21 60Fax +30/10/2 11 23 02e-Mail: [email protected]

Hungary BaSys Hungary Ltd.2040 BudaörsPhone +36/23/41 56 37Fax +36/23/41 51 82e-Mail: [email protected]

IcelandVerslunin PFAFF hf108 ReykjavikPhone +354/5 33 22 22Fax +354/5 33 22 30e-Mail: [email protected]

IrelandSennheiser SalesDonnybrook, Dublin 4Phone +353/1 260 3610Fax +353/1 260 2026e-Mail: [email protected]

ItalyExhibo S.p.A. Comm. Systems20052 Monza, MlPhone +39/039/2084211Fax +39/039/2141051e-Mail: [email protected]

LatviaELKOR1039 RigaPhone +371/7070 750Fax +371/7070 722e-Mail: –

LithuaniaTV & Communications Systems5400 SiauliaiPhone +370/1/520295Fax +370/1/520542e-Mail: [email protected]

NetherlandsSennheiser Nederland BV1322 AM ALMEREPhone +31/36 535 84 44Fax +31/36 535 84 99e-Mail: [email protected]

NorwayLydRommet as0484 OsloPhone +47/22091610Fax +47/22091611e-Mail: [email protected]

PolandKonsbud Audio Sp. z o.o.02-878 WarszawaPhone +48/22/6 44 30 38Fax +48/22/6 44 02 36e-Mail: [email protected]

PortugalCustódio Cardoso Pereira, S.A.2776-903 CarcavelosPhone +351/21/4458190Fax +351/21/4458198e-Mail: [email protected]

RomaniaSavana-Comteh Ltd.71 147 Bucharest Sect 1Phone +40/1/232 91 67Fax +40/1/210 39 94e-Mail: [email protected]

RussiaI.S.P.A.Moscow, 123022Phone +7/095 784 7575Fax +7/095 956 2309e-Mail: [email protected]

Slovak RepublicPANTER s.r.o.130 00 Praha 3Phone +420/2/67312266Fax +420/2/71730262e-Mail: [email protected]

Slovenia, Croatia and Territories of formerYugoslaviaGrothusen Ges.m.b.H.1140 WienPhone +43/1/970220Fax +43/1/970229e-Mail: [email protected]

SpainMagnetron S.A.28002 MadridPhone +34/91/519 2416Fax +34/91/519 6444e-Mail: [email protected]

SwedenSennheiser AB10422 StockholmPhone +46/8/566 16 400Fax +46/8/566 16 490e-Mail: [email protected]

SwitzerlandBleuel Electronic AG8103 UnterengstringenPhone +41/1/7517575Fax +41/1/7517500e-Mail: [email protected]

TurkeyMetan Ltd.80090 Gümüssuyu – IstanbulPhone +90/212/2933750/51Fax +90/212/2523966e-Mail: [email protected]

UkraineIndigo Music Company, Ltd.320070 DnepropetrovskPhone +380/562340741Fax +380/562340107e-Mail: [email protected]

NORTH AMERICACanadaSennheiser Canada Inc.Pointe Claire, Québec H9R 1A3Phone +1/514/426 3013Fax +1/514/426 3953e-Mail: [email protected]

USASennheiser Electronic CorporationOld Lyme, Connecticut 06371Phone +1/860/434 9190Fax +1/860/434 9022e-Mail: [email protected]

INTERNATIONAL SENNHEISER DISTRIBUTION

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VietnamTech Venture Systems Pte. Ltd.HanoiPhone +844/733 7954

733 7955Fax +844/733 7955e-Mail: [email protected]

Viet Thoung Co Ltd.Ho Chi Minh CityPhone +848/931 4142Fax +848931 6539e-Mail: [email protected]

AUSTRALIAAustraliaSyntec International Pty. Ltd.Chatswood, NSW 2067Phone +61/0 2/9417-4700Fax +61/0 2/9417-6136e-Mail: [email protected]

New ZealandSyntec International Pty. Ltd.AucklandPhone +64/9 263 9885Fax +64/9 263 9886e-Mail: [email protected]

AFRICA, MIDDLE EASTCyprusNakas Music Cyprus Ltd.Nicosia/CyprusPhone +35712/461088Fax +35712/461080e-Mail: [email protected]

EgyptTechnology K.A.R.Dokki, GizaPhone +20/2/3357061Fax +20/2/3357061e-Mail: [email protected]

IranBesat Broadcasting Systems Co.Tehran 11367Phone +98/21/6706336Fax +98/21/6707471e-Mail: [email protected]

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