Stereo Bluetooth 4.2 Power Amplifier Board

Compact and easy to integrate, this Bluetooth audio module is a reliable solution for DIY wireless audio projects, portable speakers, and embedded systems. Designed to operate on a wide 3.7–5V DC input, it's ideal for battery-powered applications using standard lithium cells.

Featuring Bluetooth 4.2 connectivity, the module delivers stable wireless performance with a transmission range of up to 15 meters in open space. Simply power the unit, enable Bluetooth on your device, and connect to "JZ-B5W2" for instant audio streaming. It also supports automatic reconnection to previously paired devices and resumes playback seamlessly.

The built-in USB sound card function allows for true plug-and-play operation—no drivers required—making it easy to use with a variety of systems. Its compact 40 × 20 × 12 mm form factor ensures it fits neatly into tight enclosures or custom builds.

Suitable for use with most smartphones and Bluetooth-enabled devices, this module is a versatile choice for upgrading wired systems to wireless or building your own custom audio solutions.