1、HIGH PERFORMANCE: XY S220H amplifier board uses two TPA7498 amplifier chips. It supports 12‑38V wide voltage input and output amplifier peak up to 160Wx2 plus 220W (PMPO). 2、3 INPUT MODES: Supports USB (USB flash mode and USB sound card mode), Bluetooth and AUX mode inputs. The priority of input mode is hardware priority principle. You can also switch the sound input source at any time via APP. 3、TREBLE AND BASS CONTROLS: The Bluetooth amplifier board is designed with treble and bass control knobs for easy control, making the sound more layered and creating your favorite sound. 4、MULTIFUNCTIONAL: Bluetooth power amplifier board supports APP control, you can adjust the sound effect of the amplifier board, set the bluetooth name and password of the amplifier board, etc, through APP. 5、MULTIPLE GUARD: The bluetooth power amplifier module has various guard mechanisms, including short circuit, under voltage, over voltage, overheat guard to ensure its safe operation. Item Type: BT Amplifier Board Material: PCB, Aluminum Alloy BT: 5.1 Supply Voltage: 12-38V Support: BT, AUX, USB Number of Channels: Left and Right Dual Channel Output Power: 160W x 2 Plus 220W Special Functions: Support APP Control, Modify BT Name, Set BT Password, Turn Off Prompt Sound Guard Mechanism: Over Voltage, Under Voltage, Overheating, Short Circuit 1 x BT Amplifier Board 1 x Screwdriver Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store