There is noise or current sound when the minimum volume of external music is played.
A loudspeaker is a high-power component and usually requires a power amplifier to drive the loudspeaker. When the volume decreases to the minimum volume, the power amplifier still generates a certain noise (for example, the noise is also generated when the home theater is silent). Therefore, this noise can be heard when the earphone is close to the loudspeaker. This is the inherent noise on the loudspeaker channel, so you can use it without hesitation. In addition, do not put your ears close to the speaker when using it. Otherwise, your ears may be damaged.
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