uxcell Car 6-10 Inch Subwoofer Audio Speaker Power Amplifier Board 12V 500W Rated Power: 80W; Maximum Power: 120W; Peak Power: 500W Product Name: Car Power Amplifier Board; Material: Plastic,Metal,Aluminum Alloy; Package Content: 1 x Car Subwoofer Amplifier Board Color: Black,Green,Sliver Tone; Dimension: 13.7 x 12 x 8cm/ 5.4 x 4.7 x 3.1 inches(L*W*H); Installation Pitch Size: 13.7 x 8cm/ 5.4 x 3.1 inches(L*W) Installation Hole Size: 12.7 x 7cm/ 5 x 2.8 inches(L*W); Working Voltage: DC 12V; Cable Length: 41cm/ 16 inches Fits Speaker Size: 6 Inch-10 Inch; Working Voltage/Current: DC 12V/15A