Pyramid PW1286X 12-Inch 1000 Watt Subwoofer (Discontinued by Manufacturer) New Pattern Strong Black Paper Cone Wide Heavy Foam Surround Rigid Powder Coated Stamped Steel Basket Bumped &amp; Vented Pole Piece With Rubber Gasket &amp; Rubber Magnet Boot 2 4-layer Kapton Voice Coil