Sell Digital Bluetooth Stereo Amplifier Board Subwoofer Dual Microphone Karaoke Amplifiers best price

D10 12V 24V Subwoofer Digital Power Amplifier Board Wireless Audio Stereo Bluetooth-compatible 5.0 Dual Microphone Karaoke Amp 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 other equipment; 5. Digital power amplifier with crest power of 400W, which can drive 4 ohm and 100 magnetic speakers; 6. Dual microphone input, adjustable reverberation; built-in Bluetooth-compatible wireless receiver and FM radio; 7. Support single song loop playback, just press the "loop playback button" on the remote control; 8. Adopting double circuit board design, sufficient materials, no heat when working, and high power. Specification: Product model: D10 Panel material: Wrought iron Output power: 30-120W Support voltage: 220V/12V/24V Color classification: Black craft Bluetooth-compatible call: Not supported Bluetooth-compatible version: 5.0 FM radio: Support Bluetooth-compatible music: Support Channel: Mono stereo Microphone: Support USB: Support TF/memory card: Support Remote control: Support Bass adjustment: Support Product size: 175X80X50mm Product weight: 210g More about: (1) How to connect Bluetooth-compatible: Press the "MODE" key to switch the machine to the Bluetooth-compatible state, turn on the mobile phone's Bluetooth-compatible, search for the Bluetooth-compatible device with the mobile phone, search for the product, and click the Bluetooth-compatible name of the product to connect. After the connection is complete, you can receive the music played by the mobile phone. Notice: Some mobile phones will prompt you to enter the PIX code. At this time, you can enter "0000" (if the phone supports the easy pairing function, you do not need to enter the PIN code). (2) Operation instructions of radio function: 1. Hang up the radio antenna; 2. Press the MODE button 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 track to switch. (3) 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 an AC100V-240V AC power supply with a figure 8 power cord (do not touch the circuit board after power-on to avoid electric shock). Note: The above power-on methods can be connected arbitrarily and cannot be accessed at the same time. (4) Wiring instructions: 1. Connect the subwoofer: connect a speaker with a magnet of about 100 or a speaker of about 100W: 2. Connect the tweeter: you can connect the 30W tweeter (or disconnect it) (add a capacitor when connecting the tweeter). 3. Suitabl