The CI-IWSUR 5.2 is an in-wall dedicated side and rear channel speakers for high-end 5.1 and 7.1 theater applications. A proprietary cast wool/carbon dual 5″ woofer, with (3) 1” neodym silk dome tweeters, provides wide coverage and exceptional rear/side field characteristics. By grouping (3) tweeters in a controlled cluster, the radiated power is uniform across the vertical and horizontal axis producing an extremely large sound field. Standard 45 degree dispersion.