500 Watts RMS continuous, 1000 Watts program, 2000 Watts peak.4 Ohms.12'' (305mm) BlackWidow® sub woofer, cast frame with field-replaceable basket.Frequency response: 65 Hz - 300 Hz.Efficiency: 96dB.Three Neutrik® Speakon® connectors (one bi-amp and two for full-range operation).Bi-amp or full-range operation with mid/high frequency output (Passive Cross-over).Black Hammer Head™ polyurea coating.Satellite pole mounting.Lightweight Poplar Plywood construction.Made in the UK.Dimensions (HxWxD): 16.1'' (410mm) x 20.1'' (510mm) x 17.9'' (455mm)Weight: 36.3lbs (16.5kg)