8-12 Inch Speaker AC 220V 12V 24V Digital Bluetooth Stereo Amplifier Board Subwoofer Dual Microphone

Feature: 1. Support reading MP3 songs in TF card and U disk, 2. Support independent adjustment of treble, bass and main volume, 3. Working voltage: AC 220V or DC 12~24V. 4. With AUX audio input, it can be connected to a computer, mobile phone or CD. 5. Digital power amplifier, peak power 400W, can drive 4Ohm 100 electromagnetic speakers, 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 the Bluetooth state, turn on the Bluetooth of the mobile phone, search for Bluetooth devices with the mobile phone, search for the product, and then click the Bluetooth name of the product to connect. After the connection is complete, you can play music on your phone. Notes: Some phones will ask you to enter the PIX code. You can enter 0000 at this time if the phone supports the simple pairing function, you do not need to enter a PIN). 2 Operation instructions for radi