Fangrui Product Details Receiving Distance:greater Than 10m Working Voltage:dc12-24v Power Interface:55 * 21 Dc Working Current:greater Than 5a Horn Interface:5mm Connect Pin Product Model:amp-2206 Bluetooth Version:v5.0+br+edr Product Size:100x100x36mm Microphone Interface:6.35 Product Net Weight:380g Voltage Load Power: 24v Thd+n= Rl=4 Ohms Po=64w * 2 Thd+n= Rl=8 Ohms Po=38.7w * 2 22v Thd+n= Rl=4 Ohms Po=54w * 2 Thd+n= Rl=8 Ohms Po=32.4w * 2 18v Thd+n= Rl=4 Ohms Po=36.6w * 2 Thd+n= Rl=8 Ohms Po=25w * 2 12v Thd+n= Rl=4 Ohms Po=30w * 2 Thd+n= Rl=8 Ohms Po=18w * 2 Colour:black Material:plastic Package Contents: 1 * Audio Amplifier 1 * Controller 1 * Optical Fiber Cable 1 * Hdmi 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.