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Headphones - Sennheiser Headphones: Sennheiser RS120 II (Audio Headphones Stereo Wireless)


Listen to your favorite music wirelessly, from up to 300 feet away. This RF transmitter and rechargeable wireless headphone reproduces rich sound from almost any source and features auto on/off.


The RS 120 is a wireless headphone system which allows you to listen to your TV, hi-fi or radio anywhere in your house or even in your garden, without disturbing others. In technical terms, the system is known as an open, supra-aural wireless RF headphone system, but in practical terms, you will appreciate the outstanding sound quality, which makes it ideal for all types of TV and music applications. 

What's more, this system is one of the most convenient on the market. It is particularly easy to recharge and to store, thanks to its metal cradle. And because the headphones are so lightweight, they are extremely comfortable to wear, even for extended periods. Enjoy convenience, stylish design, high quality sound and the freedom to listen around the house, all at an affordable price.

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

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

Technical Data

  • Color

  • Impedance

    24 Ω
  • Dimensions

    85 x 225 x 133 mm
    • Connector: Jack 3,5 mm/6,35 mm stereo

    • Frequency response: 22 - 19500 Hz

    • THD, total harmonic distortion: < 0.7 %

    • Ear coupling: Supraaural

    • Transducer principle: Open, Dynamic

    • Weight: Receiver: 230 g (inc. Batteries)

    • Weight: Transmitter: 200 g

    • Power consumption: < 1,8 W

    • Signal-to-noise ratio: > 65 dBA

    • Operating time: 20 h

    • Modulation: FM stereo

    • Power supply: Receiver: 2 AAA cells-rechargeable

    • Power supply: Transmitter: 9V bloc

    • SPL for peak deviation: 106 dB

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