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Karaoke amplifier circuit diagram (click to enlarge):
Stereo headphone is important components of audio equipment. It has a wide frequency response, low distortion, power saving, strong audio resolution, clear surround sound, and good music rhythm. Stereo headphone is divided into earphone and headphone, which has the difference of left and right channels. It cannot be used interchangeably. Otherwise, the fidelity of the sound source and the resolution of the source frequency will be directly affected.
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