Posts Tagged ‘YX-1667’:

2020-06-23 LM386 1W Mono Amplifier Input Jack Reconfig

A year or so ago I bought a few 1W mono amplifiers from a Chinese eBay seller for cheap – see the attached photos. The only marking on the PC board is YX-1667 but I’m not sure if that’s the potentiometer or the PC board itself. . I found that if I pushed the 3.5mm

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