XY-P40W DC5-24V Digital Amplifier Module 40W Stereo Bluetooth Amplifier Board
Product Model: XY-P40W. Singal Generator. 40W 2 @24V 8Ω. Adapted speakers (40W~200W): 4Ω (5~16V powered). Bluetooth version: 5.0. 5、Don't make the speaker cable too long, ensure that it is suitable within 1m.