The audio server is a powerful professional audio service system that can support up to 4 independent channels, each channel outputs stereo sound, and each channel is completely independent. The entire system can be controlled by USB to RS232 or directly by RS232. The upper computer or MCU uses standard serial port code control. The control instructions (including return instructions) reach dozens of lines, covering sequential playback, random playback, and list playback. Various modes, both can specify module operation, and can be operated together. The overall system structure is stable and the function is perfect. It is a very suitable audio server.
This manual introduces the Guangzhou Weichuang audio server, a professional audio service system that supports up to four independent channels, each delivering stereo output. The device can be controlled via RS232 or USB‑to‑RS232 and supports a variety of playback modes such as sequential, random, and list playback.
The guide covers hardware installation, power and interface specifications, driver and software installation on Windows platforms, and detailed command sets for controlling playback and status monitoring. Typical application examples and troubleshooting tips are also included. This manual is written in Chinese.
| Power Input | 9~12 V DC |
|---|---|
| Operating Supply Current | >300 mA |
| USB Hub Interface | USB 2.0 Type‑A female |
| RS232 Interface | 4‑pin connector, 2.0 mm pitch |
| Audio Output (each channel) | 2.80 Vpp into 200 kΩ load |
| Signal‑to‑Noise Ratio | >90 dB |
| Total Harmonic Distortion + Noise | <0.19 % |
| Maximum MP3 Files per Channel | 65 535 |
| Supported MP3 Sample Rate | 64 kHz–320 kHz |
It requires a DC input voltage of 9 to 12 volts.
The server supports up to four independent audio channels.
The device can be controlled via RS232 or USB‑to‑RS232 connections.
Each channel can store up to 65 535 MP3 files.