Frequency response:20 Hz to 20 KHz +/- 0.1 dB
Sensitivity: 1.3 Volts in for rated output
Input Impedance: 16 K ohms
Output Impedance: 0.017 Ohm
Gain: 29.02 dB
S/N Ratio: 135 dBR
THD+N: 0.002%
Rated Output: 
8 Ohms: stereo 350w / mono 1250w
4 Ohms: stereo 700w / mono 2350w
2 Ohms: stereo 1150w / mono 4700w
Dimensions: Gross: 28" x 26" x 18"
Net: 22" x 20.5" x 12.25"
Weight: 262 lbs. gross, 212 lbs. net