C791 InCeiling Series Whole House Series C791 ‹ › Technical Data: 8" Polypropylene Woofer 1" Pivoting Soft Dome Tweeter Power Handling125 Watts Frequency Response36Hz – 20kHz Impedance8Ω Sensitivity92dB 1W/1m Diameter x Depth11-1/8" x 4-1/4" Ceiling Cut Out9¾" Replaces C790 Ceiling Speaker