400 Watts RMS class-D power amplifier variable frequency low pass filter left and right XLR/Jack 1/4" (6.35mm) combi inputs independent woofer level adjustment left and right full range outputs 15'' (381mm) speaker with 3" (76mm) voice coil lightweight construction frequency response: 45 Hz - 180 Hz resilient carpet covered silver steel grille satellite pole mounting teardrop handles Dimensions (HxWxD): 19.9'' (505mm) x 26'' (660mm) x 19.1'' (485mm) Weight: 61 lbs (27.8 kg)