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Red – 2 Channel 3W Digital Power PAM8403 Class D Audio Amplifier Board USB 5V

50.00 inc. GST
  • Input Voltage: 2.5-5.5 V (USB power supply).
  • Output Impedance: 4 ohm.
  • Efficiency: 90%.
  • Frequency Response: 150 Hz – 20 KHz.
  • Input Impedance: 2 K ohm.
  • A class D-type amplifier without a filter, low quiescent current, and low EMI.
  • Good noise suppression.
  • Input audio should be via sheilded wire.
  • Dual channel stereo output 3 w + 3 w power.
  • Works with 5v power supply.
  • Can directly drive 4 /8 Ohm small speakers.
  • When connects with a 4-ohm load and 5V power supply, the output power can be up to 3W.
  • Low THD, low noise.
  • Short circuit protectioN, thermal protection.
  • Dimensions: 15 x 20 mm.