Model: ca 12 8 ohms stereo power: 700w 1khz, 0.03% thd+n; 650w 20hz-20khz, 0.1% thd+n 4 ohms stereo power: 1200w 1khz, 0.03% thd+n; 1100w 20hz-20khz, 0.1% thd+n 2 ohms stereo power: 1400w 1khz, 0.03% thd+n; 1100w 20hz-20khz, 0.1% thd+n 8 ohms bridged mono power: 2400w 1khz, 0.03% thd+n; 2200 w 20hz-20khz, 0.1% thd+n 8 ohms bridged mono power: 2800w 1khz, 0.03% thd+n; 2200w w 20hz-20khz, 0.1% thd+n max rms output voltage (each channel): 90v peak output voltage (each channel): 126v frequency response (+0 / -0.3db, 1w/8 ohms): 20hz-20khz, -3db power bandwidth (rated power at 4 ohms, 1% thd+n): 20hz-20khz, -23db/+. 85db tourclass protection: acl, igm, autoramp, short circuit, dc voltage, turn-on/off transient, current inrush, sub/ultrasonic input. thd+n (rated power at 4 ohm, 1khz): <0.01% smpte imd (rated power at 8 ohms, 60hz &