Compact USB Powered PAM8403 2 Channel Digital Power Amplifier Board 5V DC With 2 x 3W Output And Volume Potentiometer For DIY Speaker Projects And Small Home Audio Systems

Single-board USB PAM8403 2-channel audio amplifier
✔️ 5V USB powered, 3W×2 output, volume knob, compact

This compact PAM8403-based amplifier board is designed for DIY speaker projects and small home audio setups. It can be powered from USB sources up to 5.5V, making it handy for laptops, power banks, and USB adapters.

✅ Operating voltage: 2.5V-5.5V
✅ Max output: 3W×2 (5V 4Ω)
✅ Size: 29.5×20.2×15 mm (1.16×0.80×0.59 in)
✅ Features: USB power, switch, and volume potentiometer for easy control
✅ Ideal for battery-powered portable projects and small DIY speakers

💡 What is a handy USB-powered amplifier board used for in DIY audio projects? This handy device helps you power compact speaker builds and small desktop audio setups from a USB source. 1) Handy for small desktop speakers and portable gadgets 2) 2-channel PAM8403 chip provides stereo output in tight enclosures 3) Built-in volume knob and power switch simplify setup