Lanzar DCTS101 Distinct S Series 1000 Watt 10-Inch High Power 4 Ohm Voice Coil Subwoofer Power Handing: 500 Watts RMS/1000 Watts Peak - Big Foam Surround 10" Black Non-Pressed Paper Cone - 33 oz. x2 High Density Barium Ferrite Magnet 2" (51mm) High Temperature Aluminum Voice Coil - Sensitivity: 882dB (1w/1m) Silver Push-In Terminals - Stamped Steel Basket - Impedance: 4 Ohm Voice Coil Overall Diameter: 10.77" - Cutout Diameter: 9.14" - Mounting Depth: 5.47" - Frequency Response: 35-2.2kHz