... . Specification: ModelE2180Output Power20-20kHz, 1W with 1 k Hz 8ΩStereo Power(RMS)300WX48ΩStereo Power(RMS)400WX48ΩStereo ... RMS)400WX2+300WX2Frequency Response(+o/-0.1dB,1W/8Ω)20 Hz - 20 kHzTHD 20 Hz - 20 kHz for 1 W<0.1%rated power @8ohmSignal ... V nominal 50Hz 60Hz selectableLEDSignal .protect,detective,clip/limitingInput impedance10/20 k Ohm, balance or unbalancedLevel adjustment (per ch.)Front ...