The Sennheiser Set 840S RF TV Sound Amplifier System is an RF stereo TV system especially suited for those who wear hearing aids. Easily connect the Set 840S to a TV, hi-fi system or radio for excellent sound delivered directly to your ears.
Sound is transmitted from the receiver to the hearing aid via wireless induction over the induction loop. Alternatively, you can connect induction couplers or headphones to the lightweight clip-on receiver.