LAB SlapBox™ 2.75 ft^3 Ported MDF Enclosure Box for Single DD Audio 3500
Single Ported 12" Design - 2.25 cubic ft @ 35 HZ | caraudiofabrication
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JL Audio HO112-W6v3 - Single 12 inch W6v3 High Output Wedge, Ported - Preloaded car subwoofer boxes - Custom Sounds & Tint
CT Sounds - Get Your Free Single 12” Ported Subwoofer Box Design 🔊 Usually $49.99, for a limited time only - get it completely free! Our popular single 12” ported subwoofer box
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Metra 12" Single Ported Subwoofer Enclosure Charcoal TCBXP-112 - Best Buy