Bảng Mạch Khuếch Đại Âm Thanh XH-A105 2x100W Hỗ Trợ Thẻ TF AUX Bluetooth 5.0 TDA7498

XH-A105 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 out to decrease. Product name: Two-channel Bluetooth 5.0 power amplifier board Product model: XH-A105 Input voltage: DC12-24V Current: more than 3A Output power: 100W * 2 Audio input: Bluetooth, TF card, AUX Number of channels: two channels Size: 92 * 85 * 20MM Installation aperture: 3MM Installation hole distance: 85 * 5 * 78.5MM Bluetooth operation instructions: When the power amplifier board is connected to supply the power and the Bluetooth is not connected, the Bluetooth indicator will flash quickly. When the Bluetooth connection is successful, the Bluetooth indicator does not flash. When the song is played, the Bluetooth indicator will flash slowly. Note: 1. Connect the power input to the DC12-24V power supply. When the power is on, the power indicator will turn red and the blue light will turn -blue. 2. Connect the audio input to the audio source, such as MP3, cellphone, computer, TF card, etc. 3. Connect the audio output to the speaker, paying attention to the positive and negative. Bluetooth / TF card volume hole: If the audio input uses Bluetooth or TF card, you can connect the power cable to the "+ VOL-" three holes, the volume and switch songs. 1. "+" and "VOL" connection: increase the volume 2. "-" and "VOL" connection: reduce the volume About select Audio Input: The board will automatically select the last audio input. If you use the Bluetooth Audio input, and then connect the AUX, so the board will Automatic choose the AUX Audio input! #Bluetooth #TDA7498 #Dual channel