According to the low-voltage short circuit/open circuit signal from the fire sensor, it is triggered and transmitted to the fire alarm host, which controls the alarm signal generator, and then transmits the alarm voice to the speaker through the preamplifier and power amplifier to realize fire broadcasting.

Control equipment.

The hotel background music system is equipped with a digital intelligent broadcasting host to realize automatic broadcasting, automatic control and automatic power management of the whole system.

Sound source equipment.

Audio sources are usually provided by computer music, CD players and recording stands. The system is equipped with computer, radio head, microphone and DVD.

Signal amplifier and processing equipment.