Key benefits Advanced TPA3116D2 chip with 50W50W output. A 12V/5A DC power supply is recommended for performance, delivering powerful and clear sound. audio output with subwoofer range 20Hz to 200Hz. Enhances bass response for movies, music, and gaming. Bluetooth 5.0 technology for efficient quality wireless connectivity. Volume is easily controlled with the integrated potentiometer for precise sound tuning. Versatile input/output modes. Switch between Bluetooth, AUX, and USB modes to match different devices and sources. Use scenarios Home entertainment upgrade: Connect to a TV or stereo system to improve bass and overall sound clarity for movies and music. Desktop or gaming setup: Use Bluetooth or USB inputs to stream audio from a computer or gaming console, with precise volume control via the potentiometer. DIY speaker or audio project: Integrate into a custom speaker, sound bar, or amplifier enclosure that requires multiple input options and a strong bass channel.