NXG Technology NX-PROSUB125 10" 125-Watt Powered Subwoofer (each) Hear and feel movies and music with the extended low bass impact they were meant to have 10" front-firing reinforced fibrous pulp long throw woofer Soft clipping overload protection circuit prevents speaker damage; Auto signal-sensing turn-on and stand-by modes Low level LFE RCA input and speaker level binding post inputs; Black wood grain bass reflex enclosure with removable grille and feet Sold individually