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), 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 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: power amplifier board supports APP control, you can adjust the sound effect of the amplifier board, set the name and password of the amplifier board, etc, through APP.
5. MULTIPLE GUARD: The power amplifier module has various guard mechanisms, including short circuit, under voltage, over voltage, overheat guard to ensure its .

Specification:
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

packing list:
1 x BT Amplifier Board
1 x Screwdriver