Total harmonic distortion: < 1%, at, 1KHZ, 1/3, rated, power;

Signal to noise ratio AUX:80dB, MIC:60dB;

Network interface standard: RJ45; support protocol TCP/IP, UDPIGMP (multicast);

Audio format: MP3/MP2;

Sampling: 8K~48KHZ;

Transmission rate: 100Mbps;

Audio mode: 16 bit stereo CD quality protection, DC output, overload, over temperature and short circuit protection.

2. audio uses hard decoding form, 16 bit audio, stereo CD quality, built-in hardware decoder chip, to achieve the local real-time signal acquisition function and audio decoding function, support USB playback.

3. built in 2*20W dual channel stereo power amplifier, can be directly connected to the speakers for playback

4.1 circuit output, external power amplifier.

5.1 way 10/100M RJ45 network switch interface, support LAN wan.

6. (optional) can be equipped with TF card, backup bell task in the card, to achieve timing task when the network is broken

7. (optional) can be equipped with remote control. With 12 buttons for wireless remote control broadcast program, remote control distance of up to 1000 meters.

8. (optional) can be equipped with 24V strong cut power output, in the case of fire alarm, turn on the voice control switch.

9. (optional) can be equipped with monitor module to monitor the terminal site