Bluetooth Power Amplifier Board with Subwoofer 12 to 38V 220W X 2 350W 2 Channel Audio Power Amplifier Module with Treble and Bass Control Black

[Intelligent Chip: With two TPA3251 HiFi chip the amplifier board supports wide voltage input from 12 to 38V and maximum power 220W x 2 plus 350W. High Pitch and Bass Control: The BT amplifier board allows you to further adjust the high pitch and bass knobs to add layers to the sound and make the bass more impactful. "Wide Compatibility: Most DC adapters on the market can meet the requirements of power amplifier board. If you dont have a DC plug you can directly connect the positive and negative wires to the amplifier boards power socket." Multiple : BT power amplifier module comes with multiple mechanisms to ensure . It includes short circuit under voltage over voltage and reduction . Versatile Function: The speaker amplifier board module features various functions including APP control change the BT name set the BT password and on off prompt sound. ]