PRX518S Self-Powered Subwoofer

Compact and powerful, the PRX518S offers the performance of an
18" subwoofer in a package not much larger than a typical
15" sub. With a pole receptacle (that accepts a SS3-BK) on the
top panel and integrated stereo pass-thru, with selectable HP filter,
this is the perfect compliment to the PRX500 f...