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SENNHEISER Over-Ear Wireless Headphones RS120


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Quick Overview

These lightweight, Sennheiser cordless headphones get reception through walls and ceilings, with a range of up to 100 metres. Enjoy total freedom of sound, stylish design and maximum comfort, all at an affordable price.
    Model #: RS120
    Catalogue #: C9918

    The RS 120 II wireless headphones not only opens you to a world of true freedom of movement but also, breathes new life into audio with its sleek design. Its detailed, balanced sound reproduction coupled with strong bass response makes it an ideal choice for all types of music and TV applications.

    Rediscover the world of wireless freedom with a touch of simplicity and elegance.


    Open, stereo, supraaural, wireless RF headphone system

    Detailed, analytical sound reproduction with strong bass response

    Suitable for all types of modern music and TV applications

    Wireless freedom with reception through walls and ceilings

    Range of up to 100 metres (300 feet)

    Control elements conveniently positioned to provide easy, intuitive operation

    Transmitter with metal cradle for storing and recharging the headphones

    Optional wall mounting of transmitter possible

    Very lightweight headphones, extremely comfortable to wear

    Appealing, modern design

    Rechargeable NiMH batteries included (size: AAA)

    2-year warranty


    Color - silver

    Impedance - 24 ohms

    Dimensions - 85 x 225 x 133 mm

    Connector - 3.5 mm ⁄ 6.3 mm stereo

    Frequency response - 22 - 19500 Hz

    THD, total harmonic distortion - < 0.7 %

    Ear coupling - Supraaural

    Transducer principle - Open, Dynamic


    Receiver: 230 g

    Transmitter: 200 g

    Power consumption - < 1.8 VA

    Signal-to-noise ratio - > 65 dBA

    Operating time - 20 h

    Modulation - FM Stereo

    Power supply

    Receiver: 2 AAA cells

    Transmitter: 9 V DC

    SPL for peak deviation - 106 dB

    What's in the box?

    HDR 120 II headphones

    TR 120 II transmitter with audio connecting cable

    Mains unit

    Two rechargeable batteries, 1.2 V, AAA size, Ni-MH

    Adaptor, 1⁄4" (6.3 mm)

    Quick Guide

    Safety Guide


    Product Specifications


    Audio Features Detailed, analytical sound with excellent bass reproduction
    Battery Type AAA
    Design Open supra-aural RF wireless headphone system in a stylish, modern design
    Features Of Product Freedom of movement due to reception through walls and ceilings,within a range of up to 100 metres, Transmitter doubles as a charging unit, Very lightweight and comfortable to wear
    Frequency Response 22 - 19,500 Hz
    Plug Type 3.5mm
    Power Source 9V DC (transmitter), AAA batteries (receiver)
    Sound Pressure Level 106 dB
    Total Harmonic Distortion < 0.7%
    Channels 3 Selectable channels
    Wall Mountable Yes

    General Info

    Brand Sennheiser
    Model No. RS120
    Packaged Weight 1.3kg
    Packaged Dimensions 21.4cm x 30.8cm x 13.4cm
    Warranty 2 years
    Cat No. C9918

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