Niles CM730 (Pr) (FG01297) 2-Way 7-inch Ceiling Mount Speakers w/ Pivoting Tw... Integrated Woofer/baffle Design Delivers Greater Low Frequency Response Ropylene Cone Is Light, Strong And Well Damped To Provide -inchbest In Class-inch Bass Response 1-inch Fluid-cooled UltraSilk(TM) Soft-dome Tweeter Includes Flush-mount MicroPerf Aluminum Grille For A Clean And Unobtrusive Look Weather Resistant Construction