Ultra Compact Mini 3W Plus 3W DC 5V Audio Amplifier Module With Potentiometer For DIY Portable Dual Channel PAM8403 Stereo Amplifier Board DIY Friendly For Small Projects And Audio Gear

Ultra Compact PAM8403 3W+3W Audio Amplifier Module, Pack 1
✔️ 3W+3W stereo output at 5V DC, compact 30x22x16 mm, single pack

This ultra-compact PAM8403 mini power amplifier board is designed for small DIY audio projects, portable radios, Bluetooth speakers, and other compact audio gear. It delivers stereo 3W+3W output from a 5V DC supply and fits into tight enclosures.

✅ Operating voltage: DC 3-5.5V
✅ Max output: 3W x 2 channels at 5V 4Ω
✅ Efficiency: 90%
✅ Includes potentiometer with switch for volume and power control
✅ Dimension: 30 x 22 x 16 mm (excluding potentiometer handle)
✅ Power options: USB 5V, 3x AA battery packs, or portable power packs
✅ Important safety: operate under 5.5V; reverse polarity can damage the board

💡 What is a compact audio amplifier module used for in DIY audio projects?

This handy board powers small stereo speakers from a low-voltage supply in compact enclosures.

- PAM8403 3W+3W stereo output at 5V DC - Ideal for portable radios, small Bluetooth speakers, and compact audio gear - Fits tight enclosures with a 30x22x16 mm footprint - Simple power options via USB 5V or battery packs