Product Description:

Origin: Mainland China
Type: Logic ICs
Condition: New
Supply Voltage: DC5 V
Model Number: Amplifier Board
Product Name: Bluetooth-compatible audio amplifier board
Product Model: CA-8403B
Function Type: Amplification of audio
Power supply voltage: DC5V
Bluetooth-compatible version: 5.0
Chip type: PAM8403*1
Number of channels: dual-channel
Output power:3Wx2
Magnification: 4 times
Appearance size:45*42*25mm/1.77*1.65*0.98in
Installation hole distance:38*35mm/1.5*1.38in
Product weight:22g

Features:

1. Bluetooth-compatible connectivity issues: If the Bluetooth-compatible indicator light is not flashing regularly or stays on continuously, there may be an issue with the pam8403 audio power amplifier board. Contact customer service to resolve the issue.
2. Connection issues with laptops or desktops: If your phone can connect and play music, but your laptop or desktop cannot, it may be due to outdated or missing Bluetooth-compatible drivers. Uninstall and reinstall the latest version of the driver to resolve the issue.
3. Distorted sound at high volume: If the sound becomes distorted, choppy, or breaks up at high volume, it may be due to insufficient power supply or a mismatch between the amplifier and speaker. This could cause damage to the speaker or mini module board.
4. Background noise during playback: Some noise is normal when amplifying signals, but excessive background noise can indicate issues with the power supply or the diy wireless speaker amplifier board
5. Quality assurance: If you encounter any issues, contact customer service for troubleshooting, repair, or replacement options.

Note:

Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you!
Please allow 1-2cm measuring deviation due to manual measurement.