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![Custom Ported Subwoofer Box Sub Enclosure for 1 12" JBL W12GTi MkII Sub ~ 32Hz | eBay](https://i.ebayimg.com/images/g/TaEAAOSwp2dd3-Pe/s-l1600.jpg "Custom Ported Subwoofer Box Sub Enclosure for 1 12" JBL W12GTi MkII Sub ~ 32Hz | eBay")
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