OSD Audio IW690 6.5" Kevlar In Wall Home Theater Speaker (Pair, White) Woofer: 6.5-Inch Kevlar woofer, Tweeter: Pivoting 1-Inch aluminum dome Frequency Response 30Hz - 22kHz, Sensitivity: 92db Power handling: 150W, Impedance: 8 Ohms Unit Dimension: H 12-1/4-Inch X W 8-3/16-Inch X D 3-1/8-Inch-Inch Cut Out Dimension: H 10 7/8-Inch X 6 3/4-Inch