400 x 4 MAX @ 2 Ohms160 x 4 RMS @ 4 Ohms1600W Max2 x 25 amp fuses Trimode Capable MOSFET Power Hi/Low Level Inputs Variable Bass Boost Hi/Low Pass Crossover Bridgeable Remote Bass BosstDimensions (WxHxL) 6½" x 2?" x 13?"