Compact single-board PAM8406 stereo amp, 5W per channel 5V ✔️ Dual-channel Class D amp, 5V supply, 2Ω/5W output

This compact amplifier board powers small DIY speaker projects and compact home audio setups, designed for a 5V supply and plug-and-play use.

✅ Output power: 5W per channel at 2Ω / 3W at 4Ω / 1.8W at 8Ω 5V supply
✅ High efficiency: over 90% typical, low quiescent current
✅ Protection: input reverse connection, short-circuit, overheat; EMI tolerance
✅ Build and components: noble black immersion gold PCB, imported KEMET speaker capacitors, gold-plated input terminals
✅ Mode and shutdown: MODE selector for D or AB, factory defaults high electricity level; external SD becomes Shutdown on low level

💡 What is a Class D stereo amplifier board used for in DIY audio projects?

This handy device lets hobbyists power compact stereo speakers from a low-voltage supply with clean output and minimal heat.

- Great for small, portable speaker builds and hobby projects - Delivers efficient, low-heat power with clear stereo sound - Works with mono input, dual-channel outputs for flexible layouts - Includes built-in protection for safer long-term use