2 Channel Amplifier XY-S220H 160W*2 220W TDA7498 Bluetooth Subwoofer Power Amplifier Board 2.1 Channel Hifi Class D Audio Power Amplifier Board - 502 Audio DIY Amplifier Universal: 160W X 2 and 220W Power amplifier board adopted left and right dual channels design, compatible with most devices like smartphones, tablets, laptops, MP3 players, etc. Find many great new & used options and get the best deals for S220HS 2.1 Channel Bluetooth Power Amplifier Board, TDA7498E Chip 160W×2 220W... at the best online prices at ! Free shipping for many products Package List 1 x Bluetooth Power Amplifier Board , 1 x Screwdriver Package Includes: 1 x XY-S220H TDA7498E 2.1 Channel BT 5.1 Subwoofer Amplifier Board 160WX2 220W Power Audio Stereo Amplifier Board Bass AMP Multiple Inputs: Dual channel stereo power amplifier board includes Bluetooth input, 3., 5mm AUX inputs, USB inputs, and other input methods, allowing you can easily switching. YS-AS21 2*220W 350W TPA3251 Bluetooth Amplifier Board 2.1Ch Subwoofer Theater Audio Stereo Board I.549427434 Specification Item Type: Bluetooth Power Amplifier Board Bluetooth: 5., 1 Power Supply Voltage: 12-38V Supported Connections: Bluetooth, AUX and USB Channel: Left and Right Dual Channel Output Power: 160W x 2 and 220W Special Function: Support APP Control, Modify Bluetooth Name, Set Bluetooth Password, Enable, Disable Prompt Sound Guard Mechanism: Overvoltage, Undervoltage, Overheat, Short Circuit