CRS Series speakers deliver spectacular SpeakerCraft sound using the best-quality parts, the most meticulous engineering and proprietary technologies such as our WavePlane tweeter baffle for a broader, bigger sound. Specifications: Flangeless Appearance 6½” Polypropylene Cone Woofer with Rubber Surround Pivoting 1” Liquid Cooled Silk Dome Tweeter Timbre-Matched to All One Series Speakers Sensitivity: 92dB 1W/1m Power Handling: 100 Watts Impedance: 8 Ohms Frequency Response: 40Hz - 20kHz Diameter x Depth: 9-5/8" x 4-1/16" (244 mm x 103 mm) Cut-Out Diameter: 8-1/4" (210 mm)