Item model number S1204D. S-84 8" Subwoofer. Ideal for sealed or ported enclosures. S-1004 10" Subwoofer. Designed for sealed or ported enclosures. S-1204 12" Subwoofer. Sealed/ported box ready. Subwoofer Frequency Range: 41 Hz - 800 Hz 41 Hz - 800 Hz 33 Hz - 500 Hz 33 Hz - 500 Hz 31 Hz - 500 Hz 31 Hz - 500 Hz.
eBay