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Custom Box Ported or Sealed Enclosure MDF or Plywood Box Speaker Subwoofer Enclosure Any Sizes Custom Cut. - Etsy
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Amazon.com: Custom Ported/Vented Sub Box Subwoofer Enclosure for 2 12" Subs - 3.1 CU FT - 32 Hz - 3" Aeroports : Electronics
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Amazon.com: Compatible with 1 Sundown X-12 X12 Subwoofer - Custom Ported/Vented Sub Box Subwoofer Enclosure ~ with Plexiglass Window ~ 32 Hz - 3" Aeroports - 3.0 CU FT - Reinforced : Electronics
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