15" Three-Way Self-Powered Speaker System; 400 watt LF and 150 watt MF and 100 watt HF Crown® Class D Amplifiers. DSP-Featured Input Section with Selectable EQ. 15" Differential Drive® Woofers, 6.5” Horn Loaded Mid Range and a 1.5” Annular Polymer Diaphragm Compression Driver. DuraFlex™-Covered, Plywood Enclosure, Tough Polyurethene Protective End-Caps, Steel Foam Backed Grille, Die-Cast Metal Handles, Non-Skid Rubber Feet. Light Weight, 33.5 kg (74 lbs).