Amplifier Car Amplifier-Mono AMV-1300 Mono Class A/B Amplifier RMS power ( 4 ohms ) 1 x 150W RMS power ( 2 ohms ) 2 x 270W MAX power ( 4 ohm ) 2 x 1200W Size: 250 (L ) x 270 ( W ) x 50 ( H ) mm Specification THD: 90dB Variable Gain Control / Remote Turn On/Off Fully Adjustable Electronic Crossover Network Variable Bass Boost ( 0- 12dB ) RCA Line Input and Speaker Output Soft Turn On / Off Circuit Over Load / Thermal / Short Circuit Protection