12V24V220V Digital Bluetooth Stereo Amplifier Board Subwoofer Dual Microphone Karaoke Amplifier Board

Support reading MP3 songs in TF-card U-disk. Independent adjustment of Treble, Bass and Master volume. Built-in Bluetooth Receiver and FM Radio Function. With AUX input port, can be connected to the PC/Phone/CD. Dual microphone input, adjustable reverb. Support Voltage AC 110V220V or DC 12V24V. Feature: 1. Support reading MP3 songs in TF card and U disk, 2. Support independent adjustment of treble, bass and total volume, 3. Working voltage: AC 220V or DC 12~24V. 4. With AUX Audio input, it can be connected to computer, mobile phone or CD. 5. Digital power amplifier, peak power 400W, can drive 4 ohms 100 magnetic speakers, 6. Dual microphone input, adjustable reverberation, built-in Bluetooth wireless receiver and FM radio. How to connect to bluetooth: Press the MODE button to switch the machine to the bluetooth state, turn on the bluetooth of the mobile phone, search for bluetooth devices with the mobile phone, search for products, and click the bluetooth name of the product to connect