Dual Microphone Karaoke Machine Bluetooth 5.0 Sound Power Amplifier Integrated Amp & U-Disk Player H Receiving distance: 10m Working voltage:DC12-24V Power interface:55 * 21 DC Working current: 5A Horn interface:5MM Connect pin Product model:AMP-2206 Bluetooth version:V5.0+BR+ Product size:100x100x36mm Microphone interface:6.35 Product net weight:380G Voltage load power: 24V +N=10% RL=4 ohms PO=64W * 2 +N=10% RL=8 ohms PO=38.7W * 2 22V +N=10% RL=4 ohms PO=54W * 2 +N=10% RL=8 ohms PO=32.4W * 2 18V +N=10% RL=4 ohms PO=36.6W * 2 +N=10% RL=8 ohms PO=25W * 2 12V +N=10% RL=4 ohms PO=30W * 2 +N=10% RL=8 ohms PO=18W * 2 Colour:Black Material:Plastic Package Contents: 1 * Audio Amplifier 1 * Controller 1 * Optical Fiber Cable 1 * Cable 1 * Coaxial Cable 2 * Microphones Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.