4 Channel Mosfet High Power Amplifier, Full Mosfet Circuit Design, PMPO: 5000W, S/N RATIO:>95dB, T.H.D %:>0.05%, Low Pass Filter: 32Hz - 300Hz, RMS: 65W @ 4OHMS, High Pass Filter: 32Hz - 2KHz, Bass Boost (6-6-12B) at 50Hz, Speaker Impedance: 2OHMS or 4OHMS, Bridgeable Operation, 2 Way Protections, Power Supply: 12V Negative Ground