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Amazon.com: Atrend Bbox Single Sealed 12 Inch Subwoofer Enclosure - Car Subwoofer Boxes & Enclosures - Made in USA Premium Subwoofer Box Improves Audio Quality, Sound & Bass - Nickel Finish Subwoofer
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IMC Audio PPS8SS 8" Single Sealed Sub Box Subwoofer Enclosure 8 inch Speaker Box Sub Woofer - Walmart.com
![So I built an 18" sealed subwoofer. Build guide and bonus picture in album! More info in comments. (X-post from r/DIY) : r/hometheater So I built an 18" sealed subwoofer. Build guide and bonus picture in album! More info in comments. (X-post from r/DIY) : r/hometheater](https://external-preview.redd.it/_-G6nLwrIZ3SXsIYbU7EAMRqRY7lCJN6JkBaBbc-BLo.jpg?auto=webp&s=12e4f8a346c0d742833e7cda3de43a7c360ffa5b)
So I built an 18" sealed subwoofer. Build guide and bonus picture in album! More info in comments. (X-post from r/DIY) : r/hometheater
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