Power Source100 - 240 V AC, 50/60Hz or 24 V DCRated Output480 WPower Consumption99 W (AC operation at 1/8 maximum output without clip)Frequency Response50 - 20,000 HzInputLine In: 0 dB*, 10 kΩ, balanced, screw terminal100 V Line In: 40 dB*, 30 kΩ, unbalanced, screw terminalOutputSpeaker out: Speaker Output in screw type terminalDirect line (selectable): 21 Ω (100 V) or 4 ΩRec out: 0 dB*, 600 Ω, unbalanced, screw terminalControlRemote power control, screw terminalRemote master volume bypass, screw terminalS/N RatioOver 70 dBTotal Harmonic DistortionUnder 1% at 1 kHz, 1/3 rated powerTone ControlBass: ±10 dB at 100 HzTreble: ±10 dB at 10 kHzIndicatorPower, Signal , PeakVentilationFan CoolingFinishPanel: ABS resin, blackCase: Steel plate, blackDimensions420 (W) × 100.9 (H) × 351.3 (D) mmWeight5.2 kg