AC 220V 12V 24V Digital Bluetooth Stereo Amplifier Board Subwoofer Amplifiers for 8-12 Inch Speaker

Feature: 1. Support reading MP3 songs in TF card and U disk, 2. Support independent adjustment of treble, bass and master 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, power 30-120W. 6. Dual microphone input, adjustable reverberation, built-in Bluetooth wireless receiver and FM radio. More about: 1. How to connect Bluetooth: Press the Mode button to set the device to bluetooth, turn on the mobile phone's bluetooth, use the mobile phone to search for bluetooth devices, search for products, and then click on the product's bluetooth name to connect. Once connected, you can play music on your phone. notes: Some phones will ask you to enter a PIX code. At this time, you can enter 0000 if the mobile phone supports simple pairing function, you do not need to enter the password). 2 Instructions for using the radio function: 1. Hang up the radio antenna, 2. Press the MODE key to enter t