Hello audio bass adjustment method is some above the speaker, try to debug yourself, generally there are three knobs on the speaker, a volume, a treble, a bass. If there are only two knobs, it is a volume, and one is a high and low integrated knob, which controls the high and low sounds by rotating left and right. Turn it up and turn it down, and then you get what you want.
The method of bass tuning: the bass knob behind the subwoofer is generally used. If not on the speaker. Adjust the equalizer right in the sound card control panel. The first, second and third items from the left are all adjusted downward. Depends on how you feel about the bass.
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There are several ways in which sound systems accentuate bass. Because the speaker is already impossible to change, unless you replace the original speaker and use a more bass speaker, then you can change the internal structure of the speaker to make the bass more heavy.
If a layer of absorbent cotton can be affixed to the inner wall of the speaker to effectively increase the bass, this method is effective. Moreover, adding a maze structure to the sound can also increase the bass, but this method is more difficult.