12V 600W car audio amplifier board gives you a wonderful in-car entertainment. Powerful subwoofer, good sound quality, no distortion, give you a great hearing enjoyment. High Power, high efficiency, wide frequency. With current protection, overload protection, short circuit protection. Durable for use, light weight and easy to install. Voltage:DC12V Max Power:600W Rated Power:150W Current:10A Impedance:4ohm :Less than 0.1% Sensitivity:75-90DB Frequency Response:30Hz-280KHz Colour:Black Material:Plastic Size:About 155x170mm Package Contents: 1 * Car Audio Amplifier Board 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.