Bluetooth 2.1 power amplifier board with TPA3255 chip, Bluetooth speaker audio amplifier module, 220W x 2 + 350W

High-quality 220W+220W+350W 2.1-channel Bluetooth 5.1 power amplifier board. Features AUX, Bluetooth, U disk, USB sound card, and a variety of audio input methods. The Bluetooth 5.1 version includes settings such as adjustable volume, mute/unmute, and sleep timer. It comes with 10 preset sleep songs and up to 1023 sound combinations. You can not only view the USB drive's playlist, but also shake your phone to change songs or use the dial/mode button to change tracks. Bluetooth 5.1 offers higher transmission efficiency, more stable transmission distance, and a longer wireless range. In open spaces, the wireless range can reach up to 15 meters (49 feet). The amplifier board is equipped with short-circuit, overcurrent, overheating, and anti-static protection to prevent complete failure.