ITEM NAME:1X(Tda7498 Bluetooth Amplifier Audio Board 2X50W Stereo Digital Power AmpliM7H9) 1X(Tda7498 Bluetooth Amplifier Audio Board 2X50W Stereo Digital Power AmpliM7H9) 1X(XH-A104 digital power amplifier board with high fidelity and two-channel stereo sound quality; input voltage is DC 12~24V, audio input supports Bluetooth, TF card, AUX 3.5mm audio line input. can be directly connected to mobile phone, MP3, etc; power amplifier board It also comes with a volume adjustment function, which rotates the chirp potentiometer clockwise to zoom in and counterclockwise to decrease. Product Name: Two-channel Bluetooth 4.1 power amplifier board Product model: XH-A104 Output power: 50W*2 Size: 92*85*20MM Installation aperture: 3MM Installation hole distance: 85*5*78.5MM color: blue Material: metal + PC Package contents: 1* Bluetooth Amplifier Audio Board)
