We often encounter many sound problems on the stage. For example, one day the speakers suddenly don’t turn on and there is no sound at all. For example, the sound of the stage sound becomes muddy or the treble can’t go up. Why is there such a situation? In addition to the service life, how to use it daily is also a science.

1.Pay attention to the wiring problem of stage speakers. Before listening, check whether the wiring is correct and whether the position of the potentiometer is too large. Most of the current speakers are designed with 220V power supply, but it is not ruled out that some imported products are used. Most of these speakers use 110V power supply. Due to the voltage inconsistency, a speaker may be scrapped.

2.Stacking equipment. Many people place speakers, tuners, digital-to-analog converters and other machines on top of each other, which will cause mutual interference, especially the serious interference between the laser camera and the power amplifier, which will make the sound harder and produce a sense of depression. The correct way is to put the equipment on the audio rack designed by the factory.

3.the cleaning problem of stage speakers. When cleaning the speakers, you should also pay attention to cleaning the terminals of the speaker cables, because the terminals of the speaker cables will be more or less oxidized after the speakers are used for a period of time. This oxide film will greatly affect the contact state, thereby degrading the sound quality. , The user should clean the contact points with a cleaning agent in order to maintain the best connection state.

4.Improper handling of wiring. Do not tie the power cord and the signal line together when handling the wiring, because alternating current will affect the signal; neither the signal line nor the speaker line can be knotted, otherwise it will affect the sound.

5. Do not point the microphone at the stage speakers. The sound of the speaker enters the microphone, it will form acoustic feedback, produce howling, and even burn the high-pitched part with serious consequences. Secondly, the speakers should also be far away from strong magnetic fields, and not near easily magnetized items, such as monitors and mobile phones, etc., and the two speakers should not be placed too close to avoid noise.