1. Versatile Output Modes Seamlessly switch between Bluetooth, AUX, and USB to match your connectivity needs. This flexibility lets you enjoy music or audio from phones, tablets, laptops, and other devices without hassle. 2. Quality Audio Output The system delivers a true lowfrequency range from 20 Hz to 200 Hz, enhancing bass and overall sound quality for movies, music, and games. 3. Bluetooth 5.0 Technology Equipped with Bluetooth 5.0 for efficient wireless transmission and reliable connectivity with compatible devices. The integrated potentiometer provides precise and convenient volume control. 4. Advanced TPA3116D2 Chip Powered by the TPA3116D2 amplifier chip, the board delivers 50W+50W of output. For performance, a 12V/5A DC power supply is recommended. Practical applications Home entertainment setup: connect via Bluetooth, AUX, or USB to enhance TV, movie, and music playback with stronger bass and clearer sound. Desktop or gaming workstation: use USB or AUX for quality audio output with easy, precise volume control during games or multimedia. Multisource room setup: quickly switch between smartphones, tablets, and laptops without reconnecting cables, keeping sound consistent across sources.