1.       The infrared ray carries the wave transmit
2.       Work mode: high fidelity
 
Specification:
1.       Frequency range:2.3 MHz-2.8MHz
2.       Frequency response:20Hz-20 000Hz
3.       Distortion:<1%
4.       Signal and noise ration:>50dB
5.       Separation:>30dB
6.       Receive range: up to 8 meters
7.       Power supply: 2 sections AAA battery (headphone/receiver)
DC12V (transmitter)