Supermicro volume: 1.85 * 2.11cm Note: The left and right channel output of the negative and can not be together, otherwise it will burn IC, and take a good speaker should be preceded by electricity (load). 5V power supply can output 3W 3 W power, can directly drive 4Ω, 8Ω speaker output power, full of energy, good sound quality. The unique non-LC filter Class D digital power board can be used directly USB-powered computer.
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