6.5Inch High-power Subwoofer 100W Speaker Home Passive Subwoofer Audio DIY Home Theater HiFi Fever Large Magnetic Steel Speaker
Yamaha CXS18XLF 1000-Watt 18-Inch Passive Subwoofer White | PSSL ProSound and Stage Lighting
Monolith M-iwsub82 Dual 8in In-wall Subwoofer| Passive, Paintable, Easy Install, Adds Powerful Bass To In-wall Or In Ceiling Home Theater System : Target
Sound Town Subwoofer and Column Speaker Line Array System, with Two 500W Passive Column Speakers and One 15” 1600W Powered Subwoofer - Walmart.com
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Niles SW8 8" Compact Powered Home Theater Subwoofer With Dual Passive Radiators - 1200 Watt - Creative Audio
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Bowers & Wilkins Custom Theatre 15" Passive Subwoofer Black CTSW15 BLACK - Best Buy
TS1000 Flush Mount Passive 10" Home Theater In Wall 3 Subwoofers and 3 Amps Set - Goldwood.com
Amazon.com: Monolith M-IWSUB82 Dual 8in in-Wall Subwoofer| Passive, Magnetic, Paintable Grille, Easy Install, Adds Powerful Bass to Your in Wall or in Ceiling Home Theater System : Electronics