12V24V220V Digital Bluetooth Stereo Amplifier Board Subwoofer Dual Microphone Karaoke D50 Amplifier

Feature:Support reading MP3 songs in TF card and U disk.Support treble, bass, master volume independent adjustment.With the AUX audio input, it can be connected to a computer, mobile phone or CD.Dual microphone inputs, adjustable reverb, built-in Bluetooth and FM radio.Support wireless microphone board (not included).Rated power: 100WOutput power: 100W-300WSuitable for speakers with 4-8 ohms and power less than 200W.Specification:Voltage: AC 220VVoltage: AC110VColour: Blackmaterial: plasticPackage Contents:1 amplifier board1 power cord1 audio cable1 remote controlHow to connect bluetooth:Press the "MODE" button to switch the machine to the bluetooth state, turn on the bluetooth of the mobile phone, search for the bluetooth device with the mobile phone, search for the product and click the bluetooth name of the product to connect. After the connection is complete, you can receive music played on your phone.Notice:Some phones will prompt you for a PIX code. At this point, you can enter "0000" (if your phone supports easy pairing, you don't need to enter the PIN code)Radio function operation instructions:1. Hang up the radio antenna;2. Press the MODE key to switch to the radio state;3. Press the play button to search the entire channel and automatically save the station;4. Press the previous or next song to switch to the next station or the next stationNotes:The radio effect is not ideal, mainly the radio, please buy a professional radio.Power wiring instructions (please follow the instructions carefully to avoid unnecessary damage):1. The panel DC12V/24V interface can be connected to DC 12V or DC 24V, and the current requirement is more than 3A (battery or power adapter can be used);2. The AC 100-240V interface on the panel can be connected to the AC100V-240V AC power supply with an 8-character power cord (please do not touch the circuit board after power-on to avoid electric shock).notes:The above startup methods can be connected arbitrarily, and cannot be connected at the same time.