Rockford Fosgate P3SD2-12 Punch Stage 3 shallow-mount 12" subwoofer with dual 2-ohm voice coils at Crutchfield
Amazon.com: (2) Skar Audio VD-12 D4 12" 800W Max Power Dual 4 Ohm Shallow Mount Subwoofers, Pair of 2 : Electronics
Amazon.com: Massive Audio UFO12, 12 Inch Shallow Subwoofer - High Powered 600 Watt Shallow Mount Subwoofer, (3 Inch Voice Coil Dual 4 Ohm) Low Profile Car Subwoofer with Deep Bass. Sold Individually : Electronics
Buy Pioneer TS-A3000LS4 - 12 Shallow-Mount Subwoofer with 1,500 Watts Max. Power Online in Japan. 736072804
Pioneer TS-A3000LS4 12" Shallow-Mount Subwoofer with 1,500 Watts Max. Power 2020 to 2021 - Shaharyar Traders
FPR12-02 12" Shallow Mount FPR Series 2-Ohm Single Voice Coil Subwoofer | MTX Audio - Serious About Sound®
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Memphis Audio 12" DVC Shallow Subwoofer 700W Max 4 Ohm Power Reference PRXS1244 - Walmart.com