Weak current College】 【BMB wired microphone problems and solutions-Power By】 【China power house network.

The symptom may cause remedy microphone no sound switch in the OFF state switches to ON State power amplifier power does not turn on power amplifier power amplifier of MIC volume in minimum position size MIC's volume speaker not received good or bad check box and the work of wiring, keep work good microphone connector is not plugged in, or failure to replace the connector and Plug connectors microphone output scratchy speaker not received good or bad check box and the work of wiring, keep work good microphone connector is not plugged in, or failure to replace the connector and plug in the connector's mouth and microphone distance too close to your mouth and microphone distance should be between 10 to 20 cm and at a 45 degree angle, frequency response for better PA work bad or defective check Tuning amplifier and the actual situation tuned microphone with Whistler room shape and acoustics of the proper application of sound-absorbing materials directly into the microphone so that the microphone sound on the speaker and speaker straight distance too close to the microphone and speakers keep 1.5 meters above the range amplifier work bad or defective check Tuning amplifier and tuned according to the actual situation