1 x 650W RMS at 4 OHMS - Bass Boost Circuit - Power and Protection LED Indicators - LPF Freq. Response: 50Hz-250Hz;1 x 1250W Peak at 4OHMS - 2 Ohm Stereo Stable - Soft Turn-on/Turn-off - Fuse: 40A x1;1 x 1500W RMS at 2 OHMS - Silver RCA Inputs - THD: <0.01%. - Dimensions:12.99''(L) x 2.24''(H) x 8.81''(W);1 x 3000W Max at 2 OHMS - Line Outs for Left and Right Channel - S/N Ratio: >90dB;Electronic Crossover Network - Low Pass Filter Controls - Freq. Response:10Hz~45KHz. Please refer the details of Power Source & the Output Load in the User Manual before use.