DS18 EXL-X12.4D 12" Car Subwoofer 2500W Dual 4 Ohm 12in Bass Sub Woofer Speaker | eBay
Amazon.com: Skar Audio Single 12" 2500W Loaded EVL Series Vented Subwoofer Enclosure | EVL-1X12D2 : Electronics
Alto Professional TS15S 15" 2500W Powered Subwoofer TS15SXUS B&H
Sundown Audio - Z v.6 Series 2500W DVC 10" Subwoofer Dual 1 Ohm (Open Box) - Alternator Outlet | Mechman High Output Alternators Authorized Dealer. Fast Ship Times, Made in the USA!
ATG Audio Transcend Series 10" DVC 4ohm Woofer
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