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 8” Polypropylene Cone Woofer Pivoting 1” Silk Dome Tweeter Timbre-Matched to All One Series Speakers Sensitivity: 89dB 1W/1m Power Handling: 100 Watts Impedance: 8 Ohms Frequency Response: 40Hz - 20kHz Diameter x Depth: 11-3/16" x 4-1/2" (284 mm x 114 mm) Cut-Out Diameter: 9-3/4" (248 mm)