4x125W RMS at 4 OHMS. 4x250W Max at 4 OHMS 2x500W Max at 4 OHMS Bridged. 4x200W RMS at 2 OHMS Electronic Crossover Network Bass Boost Circuit Bridgeable at 4 Ohms 2 Ohm Stereo Stable Tri-Mode Capable Gold RCA Inputs Line Outs for 1/2 and 3/4 Channel Low Pass Filter Controls High Pass Filter Controls Power and Protection LED Indicators Soft Turn-on/Turn-off THD: 90dB Channel Separation: >65dB Freq. Response: 15Hz~30KHz Subwoofer Remote Level Control