Product Information: DNY kit laser wireless audio transmission module, with long transmission distance. It can transmit long distance one-way call (two sets of duplex intercom shall be purchased) or transmit audio signals such as mobile phone MP3, and receive audio signals at the receiving end. The basic principle of using infrared laser to transmit sound is that the fluctuating sound is converted into red laser, and then the laser vibration signal is received at the photodiode receiver of the receiver circuit and the signal is demodulated to achieve sound restoration. The transmission distance can reach 50 hundreds meters, which can be used to manufacture long-distance wireless speakers. Parameter input: microphone input or 35 audio input (automatic switching) Functions: 1. One way t.
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