»introsonIR« – a low-price TV listening system with infrared transmission
The wireless infrared TV audio system »introson-IR« offers excellent value for money and features a featherweight underchin receiver. The user adjusts the volume, the sound as well as the right/left balance using the relevant controller on the receiver. As with all infrared transmission systems, there must be a given line of sight between the transmitter and receiver.
The transmitter is directly connected to the audio signal source (e.g. a TV-set) via cable and serves as charging station for the receiver.
|Operating time per recharge:||approx. 12-13 hours|
|Recharge time:||approx. 8 hours|
|Battery type:||NiMH 750 mAh, rechargeable|
|Audio frequency range:||15-20000 Hz|
|Signal-to-noise ratio:||typically 60 dB|
|Maximum volume:||approx. 120 dB(A)|
|Weight:||approx. 56 g (including batteries)|
|Signal range:||up to 12 metres|
|Powers supply:||100 - 230V AC to 12V DC power supply unit|