Pioneer A-Series 10" Black Subwoofer (ts-a100d4)
10? glass fiber and mica interlaced Injection Molded Polypropylene (IMPP) cone construction Butyl rubber surround and aramid fiber spider for strength and linearity during high excursion Oversized 56 oz double stacked magnet and vented pole yoke for increased power handling Useful Documents Warranty Specification Sheet