2-way stereo/3-way mono operation.Variable-state filter controls.24 dB/octave filters.XLR inputs and outputs for balanced operation.20 Hz to 20 kHz operation.Dimensions (HxWxD): 1.75" (45 mm) x 19" (483 mm) x 5.5" (140 mm)Weight: 4 lbs (1.8 Kg)