Dual 4 Ohm Voice Coils. Triple Stacked 80oz Strontium Magnets (240oz Total). 3.00 4-Layer Copper Wire Voice Coil On. 4 Piece Poly-Cotton Spiders With Mirror Image Layout Spaced By Spider Ring.Double Thick Tensile Stitched On Spider. Kevlar Fiber Added Non-Press Paper Cone With Texture Finish. High Roll Surround w/ Red Stitching. Heavy Duty Cast Aluminum Red Powder Coated Basket. Please feel free to send us a message if you have any questions about this item or other items for sale! Transit time could take longer during busy holiday seasons.