Advanced TPA3116D2 Chip and Power Output Uses the Advanced TPA3116D2 chip to deliver 50W50W stereo output. A 12V/5A DC power supply is recommended for performance, ensuring powerful and clear sound. Subwoofer Frequency Range for Rich Bass Subwoofer output covers 20 Hz to 200 Hz, enhancing movies, music, and games with tight, impactful low end. Bluetooth 5.0 for Reliable Wireless Connectivity Equipped with Bluetooth 5.0 for efficient transmission and steady wireless connection. Volume is adjustable with the builtin potentiometer for precise control. Flexible Input and Output Modes Supports Bluetooth, AUX, and USB modes, enabling easy connection to a variety of devices and sources without extra adapters. Use Scenarios Home theater or living room setup: pair with a TV or media player via Bluetooth or AUX to upgrade movie and music experiences with stronger bass and clearer dialogue. Desktop or gaming station: connect via Bluetooth or USB to a computer or gaming console for immersive audio and responsive volume control. DIY speaker project: integrate as the core amplifier board in a custom speaker system, benefiting from multiple input options and reliable performance. Specifications at a glance Chip: TPA3116D2 Power: 50W50W Power supply: 12V 5A recommended Bluetooth: 5.0 Inputs: Bluetooth, AUX, USB Frequency range: subwoofer 20 Hz–200 Hz