C625TT InCeiling Series TT Ceiling Series C625TT ‹ › Technical Data: 6½" Dual Voice Coil Polypropylene Woofer Twin 1/2" Hard Dome Tweeter ±3db Midrange & Treble Contour Switches Power Handling75 Watts Frequency Response36Hz – 20kHz Impedance8Ω Sensitivity92dB 1W/1m Diameter x Depth9¼" x 3-5/8" Ceiling Cut Out8¼" Replaces C600TT Ceiling Speaker