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One unit (not pair) |18 Inch Woofer for Bass Compensation of Open Baffle or Cabinet | W-18 - Lii Song (Lii Audio), unique speaker, amplfier, quality and cost-saving parts for HiFi DIY
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Amazon.com: Skar Audio ZVX-18v2 D1 18" 3200 Watt Max Power Dual 1 Ohm SPL Car Subwoofer : Electronics
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