1.110V-220V or 12V battery can be used directly

2. The multi-function power amplifier board can be equipped with single push and double push. 6 inch, 8 inch, 10 inch, 12 inch, 15 inch, 18 inch rod speakers, stage audio karaoke high power 150 watts outdoor sound, wireless microphone interface,

 3. Karaoke reverb, delay function, out-of-band audio input, audio output, with Bluetooth, with guitar input, with microphone priority, with screen display and other functions.

More: 

Can play USB/SD card, Bluetooth connection, FM radio

• • The external input port settings are: AUX audio input, guitar input X1, microphone input X1
• • Pitch operation settings: music volume, treble, bass control; wired microphone settings: volume, treble, bass, delay, reverb control; guitar volume control: guitar volume control.
• • Microphone priority function.
• • Amplifier power: 150W (can be equipped with single and double horns, 6 inch, 8 inch 10 inch 12 inch 15 inch 18 inch speaker).
• • Speaker impedance: 4-8 ohm speakers.
• • Power supply: switching power supply wide voltage AC110V-220V/50-60Hz circuit is equipped with battery charging function, built-in can be equipped with batteries above 12V/4.5AH, and external can be connected to batteries above 12V/4.5AH.
• Package includes:
• 1*Main board 
• 2*Speaker line 
• 1*Battery power line 
• 1*Remote 1*Power cable(Optional)