C801 InCeiling Series Whole House Series C801 ‹ › Technical Data: 8" Graphite Woofer 1" Pivoting Aluminum Dome Tweeter ±3db Midrange & Treble Contour Switches Power Handling150 Watts Frequency Response28Hz – 22kHz Impedance8Ω Sensitivity92dB 1W/1m Diameter x Depth11-1/8" x 4-1/4" Ceiling Cut Out9¾" Replaces C800 Ceiling Speaker