ZHANTONG XH-A158 Ultra Clear Bluetooth 5.0 Audio Power Amplifier Board Small Power Pam8403 DIY Wireless Speaker Amplifier Board 5Wx2

Describe: 100 new and high quality. Color: See picture. Size: length 5.6cm 2.2in, width 4.3cm 1.7in. Product model: XH-A158. Function type: Amplify audio. Power supply voltage: DC5V. Bluetooth version: 5.0. Chip type: PAM8403x1. Number of channels: two-channel stereo. Output power: 5Wx2. Magnification: 4x. Installation hole distance: 38x35mm. Package Includes: 1Pc Audio Power Amplifier Board. common problem: 1. Problem of Bluetooth connection failure. Answer: The Bluetooth indicator light flashes regularly when working normally. If it stays on or does not light up, there may be a problem with the Bluetooth module. 2. The mobile phone can be connected but the laptop or desktop cannot. answer: If the mobile phone can connect and play music, it means there is no problem with the Bluetooth amplifier board. There may be a problem with the computer's Bluetooth driver. The version is too old or there are missing files. It is recommended to uninstall it first and then reinstall the latest vers