Output: 575W RMS Signal to Noise: Better than 80dB (EQ flat) Frequency Response: 17Hz-300kHz Distortion: Less than 0.5% THD Weight: 21 lbs. Output: 575W RMS Signal to Noise: Better than 80dB (EQ flat) Frequency Response: 17Hz-300kHz Distortion: Less than 0.5% THD