Sennheiser SET 900 Sound Booster & IR TV System

  • reduced
  • Regular price R 6,850.00

Improve your listening experience at home with this infrared assisted listening system. Switchable, active microphones in the receiver let you hear activity and noises around you as well.


The Set 900 system lets you enjoy sound no matter what you are doing. If you are in a theater or a concert hall equipped for infra-red transmission, you can adjust the volume at the receiver to suit your individual taste – allowing you to enjoy the event in optimum sound quality.

At home you can connect your Set 900 to your TV or hi-fi system. The cordless listening system guarantees you excellent sound that can be, for example, individually treble-emphasized. With its separately switchable microphone amplification the receiver is just like reading glasses for your ears: speech becomes more understandable, making conversation easier. The activated microphones also improve your ability to perceive ambient noises such as the ringing of a telephone while watching TV.


  • Easy to connect and to use

  • Excellent stereo sound, individually adjustable

  • Three selectable hearing settings on the transmitter: optimized speech intelligibility due to switchable compression and treble boost

  • Individually adjustable treble boost

  • Infra-red audio transmission for cordless mobility of up to 12 m within a room

  • Two switchable microphones on the receiver pick up and amplify surrounding noise allowing the user to hear ambient sounds such as the phone ringing whilst watching TV

  • Foldable receiver and supplied carrying case for easy transportation

  • Amplified stereo sound when you are out and about and in rooms equipped with infra-red technology (e.g. theater)

  • Large, ergonomic volume control and balance control on the receiver

  • Precisely fitting, flexible earpads ensure high wearing comfort

  • Receiver with automatic on/off function

  • Receiver can be placed into the transmitter's charging compartment either way round

  • Lithium-polymer rechargeable battery for 12 hours of continuous use

What's in the box?

  • 1 RI 900 stethoset receiver
  • 1 TI 900 transmitter / charging station
  • 1 BA 300 battery
  • 2 pairs of replacement earpads
  • 1 Power supply with national adapters for EU, UK, US
  • 1 TV RCA adapter
  • 1 TV SCART adapter
  • 1 connection cable with two 3.5 mm stereo jack plugs and one adapter to 1/4" (6.3 mm) jack socket
  • 1 carry case


Technical Data


  • Wearing style
  • Color
  • Dimensions
    Receiver: 240 x 120 x 25 mm
    • Dimensions
      Transmitter: 115 x 145 x 40 mm
    • Frequency response
      50 - 16000 Hz
    • THD, total harmonic distortion
      < 1 %
    • Weight
      Receiver: ~ 73 g
    • Weight
      Transmitter: ~ 260 g
    • Charging time
      3 h
    • Microphone connector
      3,5 mm, same socket as Audio-XLR connector
    • Signal-to-noise ratio
      typ. 75 dB(A)
    • Operating time
      Receiver: up to 12 h
    • Modulation
      FM, stereo
    • Acoustic amplification
      max. 20 dB (A)
    • Max. Sound pressure level (active)
      125 dB
    • Receiving frequency
      2,3 MHz/2,8 MHz/95 kHz
    • Transmission frequency
      2,3 MHz / 2,8 MHz
    • Transmission range
      up to 12 m

Bose Range

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