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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.
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 receiver
Integrated charging compartment in transmitter for spare battery
| Modulation |
FM, stereo |
| Carrier frequency |
863.3 / 864.0 / 864.7 MHz |
| Range |
up to 100 m |
| Frequency response |
50 - 16,000 Hz |
| Total harmonic distortion (THD) |
<1% (1kHz) |
| Sound pressure level (SPL) |
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 1.8 oz (50 g) (incl. accu) |
| Weight (transmitter) |
approx. 8.8 oz (250 g) |
| Dimensions (receiver) |
2.8 x 2.4 x 1 in (70 x 60 x 26 mm) |
| Dimensions (transmitter) |
4.4 x 5.7 x 2.3 in (112 x 146 x 58 mm) |
| Audio-•LR connector |
3.5 mm, stereo jack plug |
| Microphone connector |
3.5 mm, same plug as Audio-•LR connector | |
