4 Channel, strong power dynamic voice restores high degree of sound.Aluminium alloy drawing process, slim design, easy to install.Great heat dissipation performance, safe and stable.Energetic, strong power, easy to promote sub woofer. Nondestructive amplifier installation, 360°round sound.Provides you a wonderful in-car entertainment. Product Description One Set Package Included: 1 x Car Amplifier 1 x Screw Set Bass Boost Variable Bass Boost allows you to adjust the low bass within the boost range to just the way you like it. Boosts the car audio sound Improves music quality, clarity, and intelligibility. Feature specific linear circuitry that increases sound quality and power output while reducing distortion and improving efficiency.Automatic shut-off protects the amplifier if it gets too hot or if speakers fail causing a short. Great heat dissipation performance, safe and stable.Nondestructive amplifier installation, 360°round sound.Aluminium alloy drawing process, slim design 4 Channel, strong power dynamic voice restores high degree of sound. Type: Car AmplifierDistortion: ＜0.01%Rated power(RMS): 4*100WPeak power: 3200WStandard impedance: 2 to 4 ΩFrequency response: 20HZ-20KHZ S/N:＞ 90dBInput Voltage: DC 12VSensitivity: 150mVDimension: 32*22*6cm