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   "name": "Micro USB PAM8403 power amplifier board 2-channel 3W+3W Class D audio Amplifier board",
   "description": "Specifications Working voltage: 3.6V-5V Limit voltage: 5.5V Two-channel stereo, POWER: 3W+3W(4 Ohms) Efficiency: >90% Dimension(LxW): 21.2x22.1mm Class D digital power board without LC filter can be powered by computer USB. The left and right channel output of \"negative\" cannot be connected in parallel, otherwise it will burn the IC, and before the current flow, the speaker (load) should be connected first. More Information Same Spec Items - SKU A-7486 Manufacturer N/A MPN A-7486 Can be used with -",
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