Bluetooth speaker/mp3 volume controller circuit | all connections explained |how to adjust volume

Hi,
Dear viewers as you know that we have started a series on Bluetooth mp3 speaker and explaining its circuits and components one by one with full details. In this video, you will be able to know all connections of volume controller circuit which is also called "tone bass".It is used to control and adjust volume, bass and treble of our sound.This is part two of series and next part will be final part in which we will explain audio amplifier circuit.

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