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  • 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.

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