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5 PCS PAM8403 Audio Module DC5V 2 Channel Digital USB Power Class D Amplifier Board 3W. Unique without LC filter Class D digital power board, and can be used directly to the computer's USB powered. Note: The left and right channel output of the "negative" can not, and then together, otherwise it will burn the IC and energized speaker (load) connected before.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.