Energy ESW-8HG 8" 200 watt Take Classic subwoofer (Discontinued by Manufacturer) 8" Injection-molded woofer with patented Ribbed Elliptical surround suspension for greater output & lower distortion 200 watt Dynamic / 60 watt RMS custom matched amplifier for clean and deep bass down to 33hz Rigid, low-distortion MDF enclosure with elegant High Gloss Black Finish Variable Crossover and phase control to blend with any speakers, low-level & speaker level inputs for connection to any receiver, amplifier or TV Down-firing, front-ported design for maximum impact in a compact package