Bluetooth 5.4 Mono Amplifier Board for DIY Speakers

Build a cleaner, more flexible speaker setup with wireless audio and simple wired backup in one board.

Keep your DIY project lightweight while still getting clear sound for everyday listening.

Wireless control for custom speakers made simple

✅ Stream audio without cable limits so you can place your speakers where they fit best

✅ Keep playback steady with Bluetooth 5.4 for consistent listening in busy spaces

✅ Add left-right separation with TWS pairing for a fuller stereo-style setup

✅ Switch to AUX input when you want a wired backup connection

✅ Power small builds with a 3.7V lithium battery for portable use

✅ Fit the board into tight enclosures without adding extra bulk to your project

✅ Use the 5W mono amplifier for everyday DIY speaker projects and small audio upgrades

This board is made for people who want to turn a simple enclosure into a working custom speaker without a complicated build. Bluetooth playback keeps the setup wireless, while the 3.5mm AUX jack gives you another way to connect when needed.

The 5W mono amplifier suits small desktop speakers, portable audio builds, and hobby projects where space matters. A blue indicator light and brief chime give you a clear startup check, so setup feels more straightforward.

If you want stereo sound, two boards can link through TWS for left and right channels. That gives you more flexibility when building a larger listening setup from separate parts.

The clean layout and solder points keep wiring organized, and the board works with a 3.7V lithium battery for portable projects. It is a practical choice for upgrades, custom enclosures, and lightweight audio builds that need both wireless convenience and wired backup.

A simple board that keeps your audio build flexible.

Clear connections make wiring faster and less confusing.

Follow the wiring steps and get your project running sooner.

Turn a custom enclosure into a usable speaker setup.

A compact layout that suits small builds and tight spaces.

Link two boards for a more complete stereo setup.

Add wireless flexibility and wired backup to your next DIY speaker build.