JBL Club 1224 Club Series 12" component subwoofer with switchable 2- or 4-ohm impedance at Crutchfield
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JBL BassPro 12 | 12" (300mm) Car Audio Powered Subwoofer System with Slipstream Port Technology
Amazon.com: JBL Dual 12" Car Audio Ported Enclosure : Electronics
JBL Club WS1000 | 10” Shallow Mount Subwoofer
Amazon.com: JBL GT-BassPro12 12-Inch (300mm) Car Audio Powered Subwoofer System, black : Electronics
JBL S2-1224SS Subwoofer Auto Set - 1100 Watt Harman Kardon Car hifi 12" JBL Radio Bassreflex Gehäuse Auto Subwoofer - 30 cm | 300 mm, Schwarz : Amazon.de: Elektronik & Foto
JBL Stage1220B Stage Series Dual 12 Inch Ported Loaded enclosure - 500 Watt, 2-Ohm - Walmart.com
JBL JBL BassPro 8 Aktiv Subwoofer Auto Set Bassr… | DeinDeal