3. The onboard 10 k adjustable resistance, can adjust the volume of the amplification.
4. Chip has lead to the main pin, can directly input audio signal.
5. Working voltage: DC12-38V.Board size: 130×116×27(mm)
Description
Pin definition:
IN: Audio signal input
VCC: Power supply positive pole
OUT: output
Package included:
1 x TPA3251D2 Audio Amplifier Board Module
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