1. Single cable transmission, using an existing closed-circuit television cable to realize transmission of all signals and automatic management and control

2. The unique arbitrary zoning function can realize independent control and arbitrary combination of multiple areas.

3. Each point can be independently addressed, which can realize point to point control, control the channel of speakers in any grade or any class, and can be switched on or off independently.

4. The system capacity is unlimited: the receiving equipment is not limited by the number, and can be increased at will.

5. This system can be used to realize the need of automatic management of campus lights, so as to realize the timing switch of campus lights.

6. Powerful channel management: Users can play 4, 6 and 8 channels of multiple programs at the same time according to the actual situation.

7. Beautiful sound quality: FM broadcast audio range is 30HZ-15KHZ, with low distortion, generally 0.7%; The audio range of constant voltage broadcasting system is 200HZ-12KHZ, and the distortion is 10%;

8. It supports various popular audio formats, such as mp3, mpg, dat, wav, mid, avi, etc. It can record and play a variety of external media sources (such as CD, VCD, card holder, radio, microphone, etc.).

9. Scheduled broadcast: users can prepare a weekly scheduled broadcast program list for each channel as required, and can program and control the broadcast content, broadcast time, broadcast area, etc. The computer can automatically play the program at a fixed time according to the program list to achieve unattended. The system automatically turns on the power supply of FM speakers at each point in the corresponding area before playing, and automatically turns off after a delay after playing. The user can also modify the playlist in real time during scheduled playback, and the modification will take effect immediately.