PAM8403 2x3W Class-D Stereo Amplifier Board, Bare or with Volume Control

PAM8403 5 V Class-D Stereo Amplifier Board Options

These compact PAM8403 amplifier modules provide two-channel audio amplification for small powered-speaker, embedded-audio and electronics projects. The listed output rating is up to 2 x 3 W when used with a suitable 5 V supply and compatible speaker load.

Selectable Board Versions

• Amplifier board: board format shown for direct signal, power and speaker wiring.
• Mini 5V: compact 5 V version shown with its own connector and control layout.

Compare the selected option image before ordering because connector placement and volume-control hardware differ between versions.

Integration Notes

• Use a clean, regulated 5 V DC supply with sufficient current.
• Connect left and right speakers to their separate bridge outputs; do not join the negative speaker terminals.
• Keep audio-input wiring away from switching and motor wiring to reduce noise.
• This is a bare module and should be protected from shorts and conductive surfaces.