In-Wall 2-Way Speaker System 5-1/4'' Midbass Speaker 1'' High Temperature Voice Coil Directable 1/2'' Polymer Dome Tweeter 150 Watts Rated Peak Power Frequency Response: 80Hz-20K Hz 4-8 Ohm Impedance Cut-out Dimensions: 6 5/8''W x 10 1/8''H x 2 3/4''D Overall Dimensions: 7 5/8''W x 11 1/4''H x 2 3/4''D Sold as a Pair</LI>