Die Cast Basket with Black Textured Finish ^^ UV Treated Non-Pressed Paper Cone ^^ EROM Foam Surround with Red Stitching ^^ 1.5" 4-Layer Hi-Temp Voice Coil ^^ Fiberglass Woven Dust Cap ^^ Double Stacked High Energy Magnets ^^ Enhanced Cooling T-yoke Design with Black Anodized Finish ^^ Customized Rubber Gasket and Magnet Boot ^^ Triple Black Poly Cotton Spiders with Mirror Image Layout ^^ Customized Rubber Gasket & Magnet Boot ^^ Black Anodized Deep Steel Woofer Bars ^^ High Quality Industrial Grade Carpet Ported Enclosure