Full-grille, weather-resistant version of Sx500+. Black powder-coated full-faced stainless steel grille, with foam backing and a polyester mesh water shield provides a high degree of weather resistance. Two-way 15-inch medium-throw full-range system. DL15SX 15-inch woofer and large enclosure extends and increases bass output. Asymmetric 75° x 60° constant-directivity high-frequency horn aims down 10° -- Helps direct sound at the audience when vertically stand mounted. Horn loading of the woofer controls the coverage pattern down to nearly 500 Hz -- an unheard of characteristic in a product of this size and price - for higher vocal intelligibility and musical clarity. Biampable. Suspension points accommodate optional Mb700 set of three forged eyebolts. Mb600 and horizontal array kits available for side-by-side arraying of two systems (requires one Mb500 wall/ceiling bracket per speaker)