S-12TD Thin Mount 12″ Subwoofer Thin Mount 12″ Dual 4-Ohm Subwoofer 300 watt RMS/600 Watts Max Single Piece Custom Injected Molded Cone Large Roll Rubber Surround 2″ Vented KSV Voice Coil Former Perimeter Aero Voice Coil Venting Poly-carbonate/Glass Fiber Composite Turbine Basket Super Shallow 3.25″ Mounting Depth Chrome Push Terminals Optimally Designed for Small Sealed