Key benefits Deep bass and clear sound: delivers bass from 20 Hz to 200 Hz, enhancing movies, music, and games with a fuller subwoofer experience. Stable wireless streaming: Bluetooth 5.0 provides transmission efficiency and reliable connectivity with compatible devices. Easy volume control: integrated potentiometer switch lets you adjust volume precisely for consistent listening levels. Powerful and efficient amplification: uses the TPA3116D2 chip to achieve 50W50W output. A 12V/5A DC power supply is recommended for performance and clear, powerful sound. Flexible input and output options: switch between Bluetooth, AUX, and USB modes to fit a variety of devices and setups. Simple integration: designed for straightforward use with standard subwoofer setups and common multimedia systems. What you get and how it helps This amplifier provides a targeted 20 Hz–200 Hz range to boost subwoofer performance, improving home theater, music, and gaming experiences. Bluetooth 5.0 offers efficient, stable connections to phones, tablets, and other devices for convenient playback. The builtin potentiometer allows easy, ondevice volume adjustments to achieve the right balance with your speakers. With Bluetooth, AUX, and USB inputs, you can connect a wide range of devices without extra adapters. The TPA3116D2based design delivers up to 50W per channel, with recommended 12V/5A DC power to ensure strong, clear output. Use scenarios Home theater or movie nights: connect via Bluetooth or USB to a TV or media player to enhance bass and overall sound without adding bulky speakers. Desktop computer or gaming setup: use AUX or USB to link to a PC for richer sound and responsive volume control during games and streams. Music streaming from mobile devices: pair a phone or tablet over Bluetooth for convenient wireless playback with adjustable volume. This description stays aligned with the original product specifications and functions, presenting clear, customerfocused benefits and practical use cases.