The LS801P combines a cast-frame 18-inch bass driver with a rear-loaded bass horn enclosure made from 15mm birch ply covered in rugged black carpeting.Now add 2500 watts of onboard peak power featuring full-time "invisible" limiting. Result - a rugged, high-powered "earth mover." Balanced XLR inputs are included along with 1/4-inch TRS inputs which, at the push of a button, can handle either line-level or speaker-level signals.