4 X 100 Watts RMS at 4 Ohms - Anti-Thump Turn-On - Volume Gain Remote Control - Fuse: 10A - Remote Control for Volume Gain 4 X 200 Watts MAX at 4 Ohms - Soft Turn On/Off - T.H.D: 0.05% - Dimensions: 6.10Lx3.35Wx1.38H 4 X 30H 0 Watts RMS at 2 Ohms - Adjustable High Low Level Inputs - S/N Ratio:95dB - Color: BlackAccessories: Electronic Crossover Network - RCA Line Input - Channel Separation: 65dB - iPod / MP3 Waterproof Poly Bag 2 Ohms Stereo Stable - Power Protection Circuitry - Frequency Response: 10Hz-40KHz - iPod / MP3 Waterproof 3.5mm Stereo to RCA Adaptor