SpecificationsPower Supply 9-15 VCCStand-by Current < 28 AInput Sensitivity 04 - 8 VInput Impedance 48 KOhmOutput Power:4 ohms @ 12V/144V 95/135 watts x 42 ohms @ 12V/144V 160/212 watts x 4mono 4 ohms @ 12V/144V 320/360 watts x 2Frequency Response +/- 1 dB from 10 Hz to 30KHz.S./Noise Ratio > 90 dBDimensions 632mm x 187mm x 40mmWeight 58 KgBuilt in Active Cross-OverContinuously adjustable from 30Hz to 250HzAdaptable as low-pass/high-pass12dB x octave mono/stereo