PAM8403 Digital Power Amplifier Board (Red)


The 2-Channel 3W PAM8403 Mini Digital Power Amplifier Module Red provides Class AB power amplifier performance with Class D amplifier efficiency. 

The use of low noise, no filter structure can save the traditional D class amplifier output low pass filter. 

Requires very few external components, thus saving PCB space and system cost, is ideal for cosplay projects.

Pinout Configuration:

  • R_IN - Right Channel Input
  • GND - Ground Channel Input (Common ground of both Right and Left Channel)
  • L_IN - Left Channel Input
  • GND - Mute Switch Ground
  • SW - Mute Switch
  • +5V - Power Supply
  • GND - Ground Pin
  • L+ - Left Channel Output (+)
  • L- -  Left Channel Output (GND)
  • R+ - Right Channel Output (+)
  • R- - Right Channel Output (GND)


  • 15 x 20 mm.
  • Dual-channel stereo
  • 2.5 - 5V power supply can output a maximum of 3W + 3W,
  • Can drive 4Ω small speakers.
  • Short circuit protection; thermal protection.
  • A d-type amplifier without a filter, low quiescent current, and low EMI.


Package Includes:

  • 1 x PAM8403 (Red) Digital Power Amplifier Board


Please Note: DIY electronics are meant for those with basic electrical knowledge and soldering skills. DIY electronics do not include lead wires, instructions or warranties.

Before placing your order, please make sure you are fully aware of the shipping policy outlined here: Shipping Policy

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PAM8403 Amplifier (Red)

  • Product Code: PT-0263
  • Availability: 20

Normal Price

  • £0.30
  • £0.20 Special Price

  • Price in reward points: 30

Tags: PAM8403, Amplifier, (Red)