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TRx3118A 2000W Active 18-Inch Subwoofer - Carvin Audio
Skar Audio Single 18" Universal Fit Vented Subwoofer Enclosure with 1" MDF Heavy Duty Front Baffle - Black Carpet - Walmart.com
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DS18 GEN-X212LD Bass Package 2 x GEN-X124D 12" Subwoofers In a Ported Box 1800 Watts
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Next Level Fabrications 1x 18" Flat Pack Ported Enclosure Kit - SSA STORE
