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Transmission range
50 Hz – 16,000 Hz
Max. SPL (at 1kHz) 125 dB
THD (at 1 kHz) < 1%
Operating time up to 9 hours
Charging time approx. 3 hours
Weight approx. 68 g (incl. rechargeable battery)
Dimension 240 x 128 x 26 mm
Power supply BA 300 rechargeable lithium polymer battery (3.7 V, 150 mA)
FM, stereo
Transmission frequencies 863.3 / 864.0 / 864.7 MHz (EU version), 925.95 / 926.8 / 927.5 MHz (US version)
Range up to 100 m (EU version), up to 100 ft (US version)
Signal-to-noise ratio typ. 70 dB(A)
Weight approx. 260 g
Dimensions 112 x 146 x 58 mm
Audio input 3.5 mm stereo jack plug
Power supply 13.5 V DC/500 mA with power supply NT 13
Packaging Design reclosable folding cardboard box with hanging eyelet
Individual package dimensions (W x H x D) 168 x 278 x 110 mm

Vendors Other Products

Sennheiser SET840-TV RF Stereo Listening System

3.00 LBS
Usually ships within 24 hours
Calculated at checkout

Product Description

The Sennheiser SET840-TV is an RF stereo TV listening system that is ideally suited for wireless listening in your house or in your yard. Whether you are watching a TV program or listening to sophisticated classical music, Set 840-TV is sure to provide excellent sound. Just the push of a button sets the device to your personal listening preferences, providing you with the enjoyment of speech that is easier to understand.

The lightweight receiver is comfortable to wear because of its flexible earpads. Ergonomic controls and visual feedback of certain operations make Set 840-TV easy to use. It can be connected directly to your TV, hi-fi system or radio.


  • Easy to set up and operate
  • Wireless mobility within a range of up to 100 m
  • Transmits even through walls
  • Excellent individual stereo sound
  • Three selectable hearing settings on the transmitter: optimized speech intelligibility due to switchable compression and treble emphasis
  • Treble emphasis can be set individually
  • Large, ergonomic volume control on the receiver
  • Balance control on the receiver for setting the volume for the right and left ear
  • Receiver automatically turns on/off when it is put on/removed
  • Flexible earpads and low receiver weight guarantee a high degree of comfort while wearing
  • Three selectable transmission channels on the transmitter for optimum reception
  • Auto-tuning – automatic channel search tuning can be activated on the receiver
  • Receiver can be placed in the transmitter’s charging compartment facing in either direction

What's in the box?

  • 1 RR 840 stethoset receiver
  • 1 TR 840 transmitter
  • 1 BA 300 battery
  • 2 pairs of replacement earpads
  • 1 main power supply with national adapters for EU, UK
  • 1 TV RCA adapter
  • 1 TV SCART adapter
  • 1 TV connection cable with two 3.5 mm stereo jack plugs and one adapter to 1/4" (6.3 mm) jack socket