Exclusive optimal bass enhancement radiator technology; IP66, all weather speaker for indoor and outdoor use; With power tap for 70V/100V and 8Ω; Rated output power 20W/40W; 1×5”, 1×6.5” or 1x8”for woofer and 1×1” for tweeter; Quick installation with water-proof brасkets; Fashionable appearance with extraordinary sound quality; Ideal for schools, offices, hotels, stations and meeting rooms public address system.