The detailed description of sast amplifier audio:

1, electronic power amplifier power light is not bright, how to do?

Failure analysis: electronic amplifier power light is not bright

Solution: 1, the power amplifier power plug has not been good, confirm whether the power plug plug; 2, power fuse malfunction, unplug the power plug replacing the fuse

2, power amplifier has mike sound without reverberation effect, how to do?

Failure analysis: amplifiers have mike voice and no reverberation effect

Solution: power amplifier reverberation depth knob in the tiny; The reverberation system of the tuning knob after transferred to the middle position, adjusted again.

3, power amplifier without music sound?

Failure analysis: power amplifier without music sound?

Solution: 1, the amplifier input plug on the back not connected well, check the connection machine status; 2, power did not adjust the machine of good connection, check the connection machine status; 3, amplifier is not adjusted the machine music system, adjusting knob music system as a whole.

4, pa microphone volume as a whole and the overall volume or the volume all the way?

Failure analysis: pa microphone volume as a whole and the overall volume or lack of volume all the way

Solution: 1, the amplifier may at the end of the power source is not good, to go; 2, power balance knob slant to the left or the right, in a can; 3, pa speakers line contact undesirable, reconnect the sound box line.