Public Address System It is an intelligent professional equipment that provides background music, broadcasting and fire alarm for public places. It is widely used in factories, commercial residential areas, schools, squares, commercial buildings, hotels, etc. At present, the biggest feature of the public address system is the application of digital technology to the public address system, which makes the public address system more convenient to install, more powerful, more widely used, and easier to operate.

          Public Address System The full digital system is adopted, which is composed of front-end equipment (preamplifier, telephone access device, alarm generator, digital programmable host, programmable keyboard, modulator, program power timer, music source, etc.), relay, and terminal equipment (speaker, loudspeaker, cell constant voltage power amplifier, etc.).
Function:
1. Independent broadcasting. It can broadcast independently to any terminal.
2. Matrix partition. The partitioning function of the public address system is controlled by the program and can be freely set, including matrix partitioning: each terminal can be repeatedly partitioned and freely combined; Independent broadcasting; Multi area broadcasting; All broadcasts.
3. Scheduled broadcasting. With fixed time and built-in fixed time music, it can broadcast to a certain area or all the people at fixed time.
4. Visual display. The keyboard operation is not only convenient to operate, but also more intuitive to display.