For screen reader problems with this website, please call801-900-14338 0 1 9 0 0 1 4 3 3Standard carrier rates apply to texts.

Sennheiser Set 840 S Wireless System-Blue
Sennheiser Set 840 S Wireless System-Blue 0
Sennheiser Set 840 S Wireless System-Blue 1
Sennheiser Set 840 S Wireless System-Blue 2

Sennheiser Set 840 S Wireless System-Blue

Model #: SET 840 S
At a Glance
Sennheiser Set 840 S Wireless System-Blue with easy set up and lithium polymer battery technology
Call for Best Price

Get to know this product.

Set 840 S is a RF stereo TV listening system and is especially suited for those who wear hearing aids. Easily connected to a TV, hi-fi system or radio, Set 840 S produces excellent sound, delivered directly to your ears. The sound is transmitted from the receiver to the hearing aid via wireless induction over the induction loop that is included in the scope of delivery. Alternatively, you can connect headphones or induction couplers to the lightweight clip-on receiver.
Additional Features
  • 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 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 ears
  • 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 reciver
  • Integrated charging compartment in transmitter for spare battery

What's in the box?

  • 1 RR 840 S receiver with removable clip
  • 1 TR 840 transmitter
  • 1 EZT 3011 induction loop
  • 1 Lanyard
  • 1 BA 300 battery
  • 1 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
  • 1 MKE 800 TV N external mic

Technical Data

  • Dimensions Receiver: 70 x 60 x 26 mm 
  • Dimensions Transmitter: 112 x 146 x 58 mm 
  • Audio-XLR connector: 3.5 mm, stereo jack plug 
  • Frequency response: 50 - 16000 Hz 
  • THD, total harmonic distortion: < 1 % (1 kHz) 
  • Weight Receiver: ~ 50 g 
  • Weight Transmitter: ~ 260 g 
  • Charging time approx. 3 hours 
  • Range: Up to 100 m 
  • Microphone connector: 3.5 mm, same plug as Audio-XLR connector 
  • Signal-to-noise ratio: Yyp. 70 dB(A) 
  • Operating time Receiver: up to 9 h 
  • Modulation: FM stereo 
  • Carrier frequencies 863.3 / 864 / 864.7 MHz 
*Warning (for California residents only): Please note per Proposition 65 that this product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Every Consumer Products company is required to post the warning no matter if their products pose any harm. Sennheiser products are all RoHs compliant, yet we are by law required to post the Proposition 65 warning message anyway.


Shipping Weight:1




Total Harmonic Distortion:< 1 % (1 kHz)
Frequency Response:50 - 16000 Hz



Misc. Specs

Connector TypeXLR
WarningProposition 65 Warning for California Residents