Amplification class High-efficiency class DOutput power, all channels loaded 4 channels at 4 Ω 4 channels at 8 Ω 4 channels at 16 Ω 2 channels at 8 Ω 1 channel at 4 ΩPeak output power 12 dB Crest Factor, Sine burst, 1 kHz, 2 ms 710 W 370 W 190 W 1400 W 2750 WOutput power 200 ms, Sine burst, 1 kHz, < 1 % THD 640 W 360 W 190 W 1260 W 2550 WPower supply model Universal Switched Mode Power Supply (SMPS) with Power Factor Correction (PFC)Mains rating 100 V - 240 V ~ ±10%, 50-60 Hz