2pcs 2 Channel 3W Digital power PAM8403 Class D Audio Amplifier Board USB DC 5V
1,14 €
2 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.
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