Lanzar DCTS121 Distinct S Series 1600 Watt 12-Inch High Power 4 Ohm Voice Coil Subwoofer Power Handing: 800 Watts RMS/1600 Watts Peak - Big Foam Surround 12" Black Non-Pressed Paper Cone - 40 oz. x2 High Density Barium Ferrite Magnet 2.5" (64mm) High Temperature Aluminum Voice Coil - Sensitivity: 892dB (1w/1m) Silver Push-In Terminals - Stamped Steel Basket - Impedance: 4 Ohm Voice Coil Overall Diameter: 12.72" - Cutout Diameter: 10.86" - Mounting Depth: 5.47" - Frequency Response: 30-2kHz