The Power Acoustik MOFO-X Series 10-inch 2,400-Watt Subwoofer (Dual four-ohm ) is refined yet increases efficiency dramatically. MOFO-X subs use a composite sandwich cone with a polypropylene surface for durability. Spruce pulp backing provides smooth low bass. And MOFO-X subs use an aluminum dustcap that couples to the voice coil former and extends over the cone. Why? The fins brace the cone and eliminate cone flex during high excursion. And since they are aluminum and couple to the voice coil, they act as a heat sink or heat extractor. The result is superior performance!
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