product description:

1,3-channel microphone input, 3-way AUX input, 1 AUX output; 100V, 70V constant voltage output and 4-16Ω constant resistance output, 5 units LED level indication;

2, there is a silent function, easy to insert emergency broadcast;

3, each channel independent volume control; high, bass tone control;

4, the output short circuit protection and sound and light alarm prompt;