The device has 2 auxiliary (AUX) line inputs, 1 emergency (EMC) input, and 2 microphone inputs; 1 auxiliary output, capable of cascading to the next power amplifier.
Microphone 1/2, emergency line input, and line 1/2 can be independently adjusted, and it also has total volume control.
Built in Bluetooth/MP3 function module for content playback on the phone.
Equipped with six independent volume adjustment output functions.
Mic 1 and emergency line EMC inputs have the highest priority level, while Mic 1 and EMC have mixed outputs that can strongly cut other audio input signals.
Mic 2, Line 1, Line 2, and MP3 (Bluetooth/SD/USB) have mixed output.
Equipped with high and low frequency adjustment function.
Equipped with advanced short-circuit, overheating, and overload protection functions.
The circuit is equipped with amplitude limiting function to prevent excessive output of the amplifier and protect the speaker.
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