Sennheiser Set 840 S Hearing Aid Headphones RF Wireless TV Listening System


Sennheiser’s SET 840 S

Hearing aid-compatible wireless TV listening system


Set 840 S is a RF stereo TV listening system and is especially suited for many who wear hearing aids. Easily connected to a TV, hi-fi system or radio, Set 840 S produces excellent sound, delivered instantly to your ears.

The sound is transmitted from the receiver to the hearing aid by means of wireless induction over the induction loop that may be included in the scope of delivery. Then again, you’ll connect headphones or induction couplers to the lightweight clip-on receiver.

Product Highlights:

  • designed especially for wearers of hearing aids
  • compatible with hearing aids that feature a built-in induction coil (T-coil)
  • selectable hearing settings include optimized speech intelligibility and treble emphasis
  • headphone mini jack comprises most kinds of headphones
  • RF wireless transmitter range: up to 100 feet
  • receiver includes volume and balance controls, and automatically turns on/off with wear
  • automatic tuning
  • frequency response: 50-16,000 Hz
  • rechargeable battery (included) provides up to 9 hours of operation
  • transmitter connects to TV by means of headphone jack or RCA stereo inputs
  • includes lanyard, wireless induction loop, and full-sized headphone adapter
  • weight: 1.8 oz. for receiver; 8.8 oz. for transmitter
  • warranty: 2 years


  • Receiver is ideal for connection to hearing aids and headphones (3.5 mm stereo jack plug)
  • Easy to set up and operate
  • Wireless mobility within a range of up to 100 m
  • Transmits even through walls
  • Ideal for plasma TVs
  • Excellent individual stereo sound
  • Three selectable hearing settings on the transmitter: optimized speech intelligibility as a result of switchable compression and treble emphasis
  • Treble emphasis may also be set individually
  • Large, ergonomic volume keep watch over on the receiver
  • Balance keep watch over on the receiver for setting the volume for the right and left ears
  • Lithium polymer battery technology ensures a long operating time of up to 9 hours
  • Receiver may also be placed in the transmitter’s charging compartment facing in either direction
  • Three selectable transmission channels on the transmitter for optimum reception
  • Auto-tuning – automatic channel search tuning may also be activated on the receiver
  • Integrated charging compartment in transmitter for spare battery

What’s in the Box?

  • Transmitter/charging base
  • Wireless receiver
  • Induction loop
  • Microphone (with attached 48″ cable terminated by a 3.5mm connector)
  • AC power supply (with attached 6.5′ DC cord)
  • Two-prong AC plug
  • Lanyard
  • 7′ Stereo minijack cable
  • 11″ Minijack-to-RCA adapter (with female 3.5mm connector on one end and male                 stereo RCA connectors on other end)
  • 1/8″ to 1/4″ adapter
  • Instruction Manual
  • Installation diagram
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