Specifications: Rated power: 150 Watts (RMS); Sensitivity: 115 dB; Frequency response: 45 Hz -- 20 kHz Line inputs (2): 1/4", unbalanced, dual RCA jacks (summing L+R) & XLR Mic Input: Lo-Z, unbalanced, 1/4"-phone AC power requirements: 110/220V 50/60 Hz switchable; Dimensions: 13.5" X 11.25" X 19"; Weight: 29 lbs.