The CWM7.4 S2 is a high-performance in-wall speaker for use in theater and stereo applications. When used in a theater, the design can be wall-mounted in the left, center and right speaker positions, and the CWM7.4 S2 can also be mounted beside, above or below the screen, ensuring crystal-clear dialogue and dramatic special effects. The Quick Dog mounting system makes installation a breeze . Its 2.5-way configuration features a single Carbon Dome tweeter, twin 4" Continuum cone midrange units and twin 4" Aramid Fiber/paper bass cones. Bowers & Wilkins CI700 S2 Series of in-ceiling and in-wall speakers improves on the CI600 range by adding next generation technology such as Continuum drivers and Carbon Dome Tweeters. Upgraded materials in the cabinetry further improve performance and bring CI700 S2 closest to our in-room speakers in sound quality.