Dual 15” Two-way Portable Speaker System,  800 watt Continuous Power Capacity. Two 15” Differential Drive Woofers and a 1.5 ” Annular Polymer Diaphragm Compression Driver, Duraflex™- Covered 16/18 mm Plywood Enclosure, 16 Gauge Steel Grille, Die-Cast Metal Handles, dual 35mm Pole Mount Socket, Non-Skid Rubber Feet.