Specifications
-RATED OUTPUT POWER @ 120V AC Line:Stereo mode 
4 Ohms, 1 kHz, 1% THD 410 W RMS/chan
8 Ohms, 1 kHz, 1% THD 250 W RMS/chan
Bridge mode, mono  8 Ohms, 1 kHz, 1% THD 760 W RMS
-INPUT SENSITIVITY & IMPEDANCE
@ rated output power, 4 ohms  1.08 V RMS / 2.87dBu
Balanced, TRS 1/4” phone jack 10 K Ohms per leg
Balanced, XLR (pin 2 positive) 10 K Ohms per leg
Overall system gain per channel 40X (+32 dB)
-DISTORTION (THD, typical value)
Stereo mode, both channels driven, 4 Ohms
20 Hz to 20 kHz, 10 dB below rated power
20 Hz to 2 kHz, at full rated power
-FREQUENCY RESPONSE
Stereo mode, both channels driven +0, -2dB at 1 Watt
-DAMPING FACTOR: (Typical value)
Stereo mode, both channels driven
8 Ohms, 20 Hz – 2 kHz
-POWER CONSUMPTION:
Stereo mode, both channels driven @ 1/8 rated output power, 4 Ohms 450W