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Best Buy: Q-Logic Single 12" Sealed/Vented Subwoofer Enclosure QLH-1.2512
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Q-logic Custom Fit 12" Subwoofer Box QL-C1UHC112 | eBay
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Custom Enclosures DBP12 Dual 12" Bandpass Enclosure
Dual 12 plexiglass neon bandpass Q-Logic - YouTube
