High-Quality Audio Output: Experience superior sound with our subwoofer that delivers a range from 20Hz to 200Hz. Perfect for enhancing your audio experience, whether you're watching , listening to music, or gaming. Versatile Output Modes: Seamlessly switch between Bluetooth, AUX, and USB modes to suit your connectivity needs. This flexibility ensures you can enjoy your music or audio from sources without any hassle. Advanced TPA3116D2 Chip: Utilizing the TPA3116D2 chip, our amplifier board reaches a power of 50W+50W. We recommend using a 12V/5A DC power supply for optimal performance, ensuring powerful and clear sound. Latest Bluetooth 5.0 Technology: Equipped with Bluetooth 5.0, our amplifier offers high transmission efficiency and superior connectivity. Adjust the volume easily with the integrated potentiometer switch for precise sound control. Wide Application: Ideal for home theater setups, square speakers, , and smartphones. This amplifier board is designed to enhance your audiovisual experiences across a variety of devices, making it a versatile addition to your tech . Colour: As Shown Material: PCB+Metal Package Contents: 1 x Bluetooth amplifier board 1 x DC rotor 1 x screwdriver Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.