OSD Audio ICE620 6.5-inch Polypropylene Woofers 100-Watt In-Ceiling Speaker Pair Woofer: 6 1/2-Inch polypropylene woofer with rubber butyl surround Tweeter: 1-Inch Pivoting, Ferro-Fluid Cooled Tweeter Power handling: 100W, Impedance: 8 Ohms Frequency Response 58Hz - 22kHz, Sensitivity 89db Cut Out Diameter: 7 3/4-Inch, Unit Dimension: 9-Inch diameter x 2.9-Inchdeep Shipping: This item does not ship outside the U.S