Lanzar OPTI10MI Opti Pro 1000 Watts 10'' High Power Midbass
10'' Paper Cone with Cloth SurroundDie Cast Aluminum Frame  2'' High Temperature CCAR Voice Coil, TIL Bobbin  60 Oz Magnet  1000 Watts  3 Ohm Impedance  Vas: 42.4 Liter  Sensitivity: 97dB (1w/1m)  Frequency Response: 60Hz-4.5 kHz  Mounting Depth: 3.62''  Overall Diameter: 10.67''  Complete with Custom Molded Grill and Hardware