Specification
- 2inch 4ohm Speaker (2Pcs)
- Mini 5V PAM8403 Audio Power Amplifier Board (1pcs)
- Maximum output power: 3W*2(5V 4Ω)
- 1 x PAM8403 3W Stereo Audio Power Amplifier Board Module with Volume Control Potentiometer
- Operating voltage: 2.5 V to 2.5 V
- The left and right channel output of "negative" cannot be connected together, otherwise it will burn the IC.