Pioneer A-Series 12" Black Subwoofer (ts-a120d4)
12? glass fiber and mica interlaced Injection Molded Polypropylene (IMPP) cone constructionButyl rubber surround and polycotton / cotton dual spider for strength and linearity during high excursionOversized 60 oz double stacked magnet and vented pole yoke for increased power handling Useful Documents Warranty Specifica