JBL CONTROLCRV High Design Indoor/Outdoor Professional Loudspeaker, Black 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