Infrared Wireless Headphones Headset IR in Car roof dvd & TV headrest

Headphone / Headset Stereo Infrared utk tv Plafon dan Tv Headrest 2 Channel harga ini harga per 1 pc Features: 1) Infrared wireless stereo headphone (2 CH) for cars 2) Ergonomic design for comfortable wearing 3) Auto mute and auto power off function on headphone 4) Foldable Design for easy carry Specifications : 1) Dual channel 2) Carrier frequency: a) A channel: 2.8MHz for right channel; 2.3MHz for left channel b) B channel: 3.8MHz for right channel; 3.2MHz for left channel 3) Speaker: 40mm mylar 4) Cone impedance: 3215% 5) Effective range (maximum): about 10 meters 6) Power source: 2 x AAA batteries 7) Battery life: about 48 hours 8) S/N ratio: '70dB 9) Channel separation: '40dB 10) Frequency response: 30 ~ 20,000Hz 11) Audio model: stereo Garansi 1 bln