This S2W12D2.V2 is a 12" Dual 2 ohm Car Subwoofer It falls into the S Series category. It has Double Laminated Foam Surround for High Speed Bass Response. Expanded and Rolled Steel Basket make up the design. Also included is Magnet Motor Heatsink with Heat Pump Cooling Technology. The Subwoofer features an Aero Style Oversized Magnet Motor Vent. It has Quad Layer Linear Progressive Conex Spider. Integrated High-Current Tinsel Leads provide a great sound. The Subwoofer features a Black Aluminum 4 Layer Voice Coil Also included is a Ultra Saturated, High “BL” Magnetic Motor Gap One Piece Extended Pole Technology is a unique design featured in the subwoofer. The Subwoofer has Dual Nickel Plated Spring Loaded Push Terminals. Kevlar Reinforced Ultra-Stiff Paper Composite Cone is also part of the Subwoofer build. For a unique look, the product includes a Woven Fiberglass Dust Cap. Stylized Protective Rubber Magnet Boot Cover surrounds the Subwoofer. A Molded Plastic Trim Gasket adds to the sleek Subwoofer design. Featuring an RMS Power Handling of 600 Watts. Also, it has a Peak Power Handling of 1200 Watts. The Frequency Response pushes 25Hz - 500Hz while the Sensitivity pushes 93 dB. It has a System Impedance of Dual 2-Ohm. The Magnet Weight is 126 oz. It has a Structure Weight of 300 oz The Cutout Diameter is 10.8". The Mounting Depth is 6.5".