Cerwin-Vega SPRO1600.1D STROKER PRO 1-Channel / 1600Wx1@1? RMS AMPLIFIERS" Total Power: 1600W | Power at 4-Ohm: 800W | Power at 2-Ohm: 1200W | Power at 1-Ohm: 1600W Frequency Response: 10Hz-250Hz (-3dB) Channel Separation: 50dB Input Sensitivity: 0.2-5.0V Dimensions; 16.85" x 10.23" x 2.81"