Boss Audio Armor Series Class A/B 4 Channel Amplifier, 1200W RMS/1600W MAX 1200 Watts RMS/1600 Watts MAX 300 X 4 RMS @ 2 ohm 150 X 4 RMS @ 4 ohm DIM (WXHXL) 6.5 x 2.8 x 13 2 x 25 amp fuses 2 Ohm Stable Trimode Capable MOSFET Power Hi/Low Level Inputs Variable Bass Boost Hi/Low Pass Crossover Bridgeable Remote Bass Boost