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Sennheiser Set 840-S Radio Frequency TV Amplifier

Sennheiser Set 840-S TV Amplifier

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The Sennheiser Set 840-S is a radio frequency TV listening system that is ideally suited for those with t-coil hearing aids. Easily connected to a TV, hi-fi system or radio, the Set 840-S reproduces excellent sound delivered directly to the hearing aid. 

If t-coil hearing aids are not in use, this system may also be used with headphones plugged into the 3.5mm jack on the receiver, making it versitile for any user. 


  • Easy-to-connect and use
  • Excellent sound quality (50-16,000Hz)
  • Large, easy-to-adjust volume control on the receiver 
  • Three-channels assure clear reception
  • Left/Right balance control
  • Adjustable treble boost
  • Compression keeps sounds from getting too loud
  • Neckloop for T-coil users (included)
  • Also works with headphones or earbuds (not included)
  • Receiver is worn with belt clip, lanyard or induction neckloop
  • Receiver battery (BA300) runs 9 hours on 3-hour charge (included) 
  • Transmitter recharges the receiver plus an extra (optional) battery
  • Auxiliary microphone for sound sources without jacks
  • Two-year manufacturer's warranty
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