Sound Storm Laboratories Evolution Series Class A/B 2 Channel Amplifier, 150W RMS/200W MAX Black Finish 150 Watts RMS/200 Watts MAX 75 X 2 RMS @ 2 ohms 38 X 2 RMS @ 4 ohms DIM (WXHXL) 5"e; x 2"e; x 9"e; 2 Ohm Stable MOSFET Power Supply High and Low Level Inputs Thermal and Speaker Short Protection Soft Turn-On Circuit Power and Protection LEDs 4 gauge power terminals Fixed Low Pass Crossover Fuse: 1 x 7.5A