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Sennheiser Set 840-TV Wireless Stethoset TV Listening System

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  • Wireless television and music with high wearing comfort

  • Cordless mobility in range up to 100m

  • Three selectable hearing settings on transmitter for optimised speech intelligibility

  • Balance control of the volume for the right and left ear

  • Automatic channel search tuning

Sennheiser Set 840-TV Wireless Stethoset TV Listening System

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Sennheiser Set 840-TV

Set 840-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 of Sennheiser's Set 840 TV is comfortable to wear because of its flexible earpads.

Ergonomic controls and visual feedback of certain operations make Sennheiser Set 840-TV easy to use. It can be connected directly to your TV, hi-fi system or radio.


 Sennheiser Set 840-TV Wireless Radio Frequency Stereo TV Listening System


Sennheiser Set 840-TV Features

  • 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 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
  • High degree of wearing comfort thanks to flexible earpads and low receiver weight
  • Lithium polymer battery technology ensures a long operating time of up to 9 hours
  • Receiver can 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 can be activated on the receiver
  • Integrated charging compartment in transmitter for spare battery


Sennheiser Set 840TV Wireless System Earpieces

Technical Specifications

  • Modulation: FM, stereo
  • Carrier frequencies: 863.3 / 864.0 / 864.7 MHz
  • Range: up to 100 m
  • Frequency response: 50 - 16000 Hz
  • THD, total harmonic distortion: < 1 % (1 kHz)
  • Max. Sound pressure level (aktiv): 125 dB:
  • Signal-to-noise ratio: typ. 70 dB(A)
  • Operating time (receiver): up to 9 hrs
  • Charging time: approx. 3 hrs
  • Weight (Receiver): approx. 68 g (incl. accu)
  • Weight (Transmitter): approx. 250 g
  • Dimensions (Receiver): 240 x 128 x 26 mm
  • Dimensions (Transmitter): 112 x 146 x 58 mm
  • Audio-XLR connector: 3.5 mm, stereo jack plug
  • Microphone connector: 3.5 mm, same plug as Audio-XLR connector


Package Includes

  • Sennheiser RR 840 stethoset receiver
  • TR 840 transmitter
  • BA 300 battery
  • 2 pairs of replacement earpads
  • Main power supply with national adaptors for EU, UK
  • TV RCA adaptor
  • TV SCART adaptor
  • TV connection cable with two 3.5 mm stereo jack plugs and one adaptor to 6.35 mm jack socket
Product TypeHeadphones
Feature KeywordComfortable, Lightweight, TV, Volume Control
Recommended UseHi-Fi, TV
Manufacturer Warranty2 Years
Included AccessoriesBA 300 battery, 2 pairs of replacement earpads, Main power supply with national adaptors for EU, UK, TV RCA adaptor, TV SCART adaptor, TV connection cable with two 3.5 mm stereo jack plugs and one adaptor to 6.35 mm jack socket
Part Number502012
Headphone Fit TypeStethoset
Headphones TypeHeadphones - binaural
Cable EntryNo
Cable LengthNo
Connector AngleNo
Connector TypeNo
Detachable CableNo
Driver SizeNo
Driver TypeDynamic
Connectivity TechnologyWireless
Earcup DesignClosed Back
Frequency Response50Hz - 16kHz
Headphones Form FactorStethoset
Headphones TechnologyDynamic
Number of DriversNo
Sound Isolation (dB)No
Sound Output ModeStereo
Smartphone CompatibilityNo
Smartphone ControlsNo
Total Harmonic Distortion (THD)<1%
Wireless TechnologyAnalogue RF

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Questions on Sennheiser Set 840-TV Wireless Stethoset TV Listening System

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  • From Philip Lawrence at 16/02/2015 13:10
    • Is this unit suitable for use with modern flat screen HD television sets?

      How is it connected to the television set, please

      Many thanks,

    • Hi Philip,

      This set should be usable with any TV which either has a headphone socket or other means by which an audio signal can be passed out. If there are RCA sockets on the back or the side of the TV (red and white sockets) there should be a pair for 'audio out' - please refer to your manual to see how these are denoted.

      Then please check the following videos produced by Sennheiser, the units may differ but the way they are connected to the TV are the same as the Set 840 would be, by way of the analogue 3.5mm jack.

      Hope this helps,

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