Specs Output power (succession sine wave) : 120W+120W (4ohm), 80W+80W (8ohm) Output load impedance : 4ohm, 8ohm Rated power band : 20Hz - 20kHz Dynamic head room : 1.6dB Frequency characteristic : 20Hz - 20kHz, +0 -0.25 dB, 10Hz-100kHz +0 -3 dB THD : 0.005% or less (at the time of 250mW - an Output power, 20Hz - 20kHz, and both ch(es) drive) Cross modulation distortion : 0.005% (20Hz - 20kHz. Both channel drive. It is a moment peek per channel at the double less than time of an Output power. ) SN ratio : 110dB (at the time below of an Output power) Input sensitivity : 0.8V (2.5V, level-control central it1 location) Input impedance : 10kohm Dumping factor : 100 (4ohms) or less, 200 (8ohms) or less Dimensions (WxHxD) : 445 x 92 x 445 mm Weight : 10.9 kg