5.25'' Two-Way In-Ceiling Speaker System: "In-Ceiling 2-Way Speaker System5-1/4'' Midbass Speaker 1'' High Temperature Voice Coil Directable 1'' Polymer Dome Tweeter 150 Watts Rated Peak Power Frequency Response: 80Hz-20K Hz 4-8 Ohm Impedance Cut-out Dimension: 6 1/2'' Diameter x 2 5/8'' Depth Overall Dimensions: 8'' Diameter x 2 5/8'' Depth Sold as a Pair"