jbl controlcrv-wh high design indoor/outdoor professional loudspeaker, white, single speaker by jbl professional jbl dual 4inch shielded woofer and 3/4 inch titanium laminate dome shielded tweeter on waveguide;one fits in a corner two on a 180 degree straight or four in a 360 degree ring;stylish look for many applications in homes and commercial premises;corner/wall mount bracket included;ip 34 rating allows outside use and has bug screens on ports