DC 5 V PAM8403 USB Power Digital Audio AMP Verstärker Platine 3W 4 Kanal Ausgang
1,91 €
1pc PAM8403 Digital Amplifier Board. Output power: 3W 4. You can also input a group of audio and output 4 channels simultaneously. An audio switch is soldered on the board, which can automatically switch between two-channel or four-channel output.
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