1。 If the noise is buzzing, that is, the AC component of the circuit is too large, it is likely to be a problem, especially the filter capacitor.

2. The power supply of the filter circuit is connected to the speaker. If it is a "squeaking" sound, the speaker and the two speakers should be checked to see whether they are intact and whether any objects have fallen in, regardless of whether the edge of the vibrating paper (that is, the black skin) has peeled off or not. The vibrating paper is not damaged.br/> 3. The speaker is firmly fixed and the fixing screw is loose.

You can take off the blue cover of the speaker shell, and then press the edge of the speaker with your hand to see if there is any noise. If not, it should be 2 or more p> or above hardware problems, and it may be music problems. .

KHz means the bit rate of songs. The higher the bit rate, the better the sound quality. Of course, the bigger the space.

Ordinary MP3 songs range from 128 to 320HZ, and the minimum is not lower than 128, otherwise it will have no effect.

When you download a song to find an activity, ...