Bluetooth 5.4 Mono Amplifier Board for DIY Speakers

The Bluetooth 5.4 Mono Amplifier Board brings reliable wireless audio to any DIY project. This compact board delivers clear sound while keeping your builds lightweight and flexible.

Bluetooth 5.4 Mono Amplifier Board – Benefits for You

✅ Enjoy smooth wireless streaming so you can place your speakers exactly where you want without cable limitations.

✅ Experience stable Bluetooth 5.4 performance so your audio stays consistent even in busy environments.

✅ Create immersive stereo setups with TWS pairing, letting you expand your system without extra complexity.

✅ Switch between Bluetooth and AUX effortlessly so you always have a backup connection when you need it.

✅ Power your projects with small batteries so your builds stay portable and easy to carry.

With its versatile capabilities, this board helps you transform simple enclosures into impressive custom speakers with minimal effort.

The Bluetooth 5.4 Mono Amplifier Board integrates a 5W mono amplifier and advanced wireless technology, making it ideal for upgrading old speakers or crafting new portable audio builds. It supports both Bluetooth playback and wired input through a 3.5mm AUX jack, giving you flexibility for different listening situations.

Its compact size makes it ideal for tight enclosures, and the board handles everyday audio tasks with ease. Many DIY builders use it in small desktop speakers, ultralight portable units, and creative hobby projects where reliability matters.

The board’s clean layout helps you wire components quickly, keeping your project organized from start to finish.

You can connect a 3.7V lithium battery and speaker terminals using simple solder points, making it suitable even for beginners.

Following the wiring diagram ensures accurate polarity and smooth startup, confirmed by a blue indicator light and a brief chime.

If you want stereo sound, you can power two boards at the same time, allowing them to link automatically via TWS for left‑right channel separation.

For daily use, a 300mAh–2000mAh lithium battery works well, and a 5V charger keeps your builds powered safely.

This compact amplifier board offers a reliable foundation for portable speakers, compact desk radios, creative enclosures, or lightweight travel audio projects.

Bring more power and clarity to your next build by adding this amplifier board to your toolkit.