6.5" Glass Fiber Cone with Butyl Rubber Surround Die Cast Aluminum Frame 1.5" High Temperature CCAR Voice Coil, TIL Bobbin 30 Oz Magnet 220 Watts RMS 400 Watts Peak 3 Ohm Impedance Vas: 11 Liter Sensitivity: 92dB(1w/1m) Frequency Response: 65Hz-7kHz Mounting Depth: 2.95" Overall Diameter: 6.97" Complete with Custom Molded Grills and Hardware