GT5-12 | Quality 12 inch Single Voice Coil (SVC) Subwoofer
JBL Stadium 1224 Stadium Series 12" subwoofer with switchable 2- or 4-ohm impedance - Breakers Stereo and Performance
JBL STADIUM122SSI 12" High Performance Automotive Audio Subwoofer with Selectable Impedance - Creative Audio
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JBL-BASSPRO12 Car Subwoofer-GTBASSPRO2 | Audio Express | Western United States
JBL 12" 12PW PRO - 275 Watts RMS - 8 Ohm Woofer | Car Audio BR
JBL Car Audio Powered Subwoofer Enclosure - Walmart.com
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JBL S2-1224SS - 12" Enclosed Subwoofer System | Pacific Stereo