OSD ACE850 8" Trimless In-Ceiling/In-Wall Speaker 175W w/Kevlar Woofer and Pivoting Titanium Dome Tweeter (White, Pair) Trimless speakers with paintable grilles disappear into their surroundings; vanishing ultra thin bezels 8" Kevlar cone woofer 1" Titanium dome pivoting tweeter Frequency Response: 35Hz- 20kHz, Sensitivity: 88db Dimensions: 11" x 5"; Cutout: 9-3/4" 10 Year Warranty