Model NO INNO-D1500 Description 1ch X 1500w@1ohm RMS @ 4 Ohm (<1% DISTORTION) 600W RMS @ 2 Ohm (<1% DISTORTION) 950W RMS @ 1 Ohm (<1% DISTORTION) 1500W Input Level 0.2 - 5V Frequency Response 8 - 180Hz THD at 4 Ohm load 30% Rated Power <0.2% Signal Noise Ratio >70Db Overheat Protect Temperature 80C/176F