Advanced TPA3116D2 Chip and Power Output Uses the TPA3116D2 chip to deliver 50W per channel (50W 50W). A 12V DC power supply rated at 5A is recommended for performance, providing powerful and clear sound. Audio Output Subwoofer range from 20 Hz to 200 Hz for enhanced bass performance. Ideal for boosting your audio experience while watching, listening to music, or gaming. Bluetooth 5.0 and Precise Volume Control Equipped with Bluetooth 5.0 for efficient transmission and reliable connectivity. Volume is easily adjustable with the integrated potentiometer switch for precise sound control. Versatile Input and Output Modes Supports Bluetooth, AUX, and USB input modes. Seamlessly switch among connections to suit your setup and enjoy your music or audio from multiple sources. Use scenarios Home theater or living room stereo system: stream audio via Bluetooth for convenient, wireless playback with strong bass response. PC, gaming, or desktop audio: enhance game soundtracks and movies with clear, powerful output and simple volume control. DIY audio projects: suitable for building a Bluetooth speaker, soundbar, or compact stereo system with flexible input options.