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Single Ported 8" Design - 0.75 cubic ft @ 35 HZ | caraudiofabrication
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T-LINE 8INCH SUBWOOFER EASY TO BUILD Box - YouTube
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Single Ported 8" Design - 0.63 cubic ft @ 35 HZ | caraudiofabrication
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MB Quart DS1-204 400 Watt 8 Inch Shallow Slim DVC 4 Ohm Car Sub, Single Speaker - Walmart.com
