OSD ICE640TT 6.5" DVC Dual Tweeter Stereo In-Ceiling/In-Wall Speaker 150W w/Silk Dome Tweeters (White, Pair) Dual tweeters provide stereo sound from just one speaker; Great option for getting full sound in a small area 6.5" Polypropylene cone woofer Dual 3/4" Silk dome tweeters Frequency Response: 40Hz- 22kHz, Sensitivity: 89db Dimensions: 9-1/2" x 3-7/8"; Cutout: 7-5/8" 10 Year Warranty