MATCH UP W8BMW-S Two 8" shallow-mount component subwoofers — designed to fit select BMW vehicles with under-seat subs at Crutchfield
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Amazon.com: Polk Audio HTS 10 Powered Subwoofer with Power Port Technology | 10” Woofer, up to 200W Amp | For the Ultimate Home Theater Experience | Modern Sub that Fits in any
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UP W8BMW-S | Audiotec Fischer
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RetroSound® SUB8100 8-inch Class D Amplified Subwoofer – Retro Manufacturing
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