






Subwoofer Audio Amplifier Board: 100W+100W Bluetooth 5.0 wireless connectivity, supports Bluetooth, USB, and AUX audio inputs, 2.1-channel stereo output with minimal sound distortion. Note: When using AUX mode, ensure the module's Bluetooth connection is disconnected;
Treble and Bass Adjustment: This digital speaker board features dedicated treble and bass adjustment buttons, allowing direct tweaking via the module without needing a player or speaker;
Perfect Sound Experience: Equipped with a powerful chip, AM interference suppression, shielded power inductors, and a low-noise front-end operational amplifier, this audio subwoofer module delivers an enhanced audio experience;
Protection Features: This Bluetooth amplifier module incorporates overvoltage protection, undervoltage protection, overheat protection, and short-circuit protection, complete with a protective housing;
Easy Installation and Use: Each interface is clearly labeled with illustrations printed on the protective board, making installation and operation straightforward even without instructions. Compact Size: 4.4 inches × 2.75 inches × 0.78 inches (11.2 cm × 7 cm × 2 cm), ideal for portability;
Warranty Notice:
This product does not include manufacturer warranty when purchased or used outside of its designated sales region. By purchasing internationally, you acknowledge that warranty support from the manufacturer will not be available.