American Bass 12" Shallow Mount Subwoofer Black 600 Watts DVC 4 Ohms SL-1244 - Walmart.com
Memphis Audio MB1524 15" MSeries MB Subwoofer with Selectable Impedance, 2 Or 4 Ohms - 500 wRMS - Creative Audio
Bomber 12" One - 200 Watts RMS - 4 Ohm Subwoofer | Car Audio BR
Dayton Audio LW150-4 6" Low Profile Woofer 4 Ohms
Amazon.com: Boss Chaos CX122 12-Inch 1400 Watt Car Subwoofer and Q Power QSBASS12-VENTED 12-Inch Single Heavy Duty Vented Subwoofer Enclosure Box : Electronics
DS18 EXL-X8.4D 8" Car Subwoofer 1200 Watts Dvc 4-Ohms
DS18 ZXI12.4D High Excursion 12" Car Subwoofer 2000W DVC 4-Ohms Quad Stacked Magnets
DS18- EXL-X 15" Subwoofer 2500 Watts DVC 4-Ohms — CINCINNAT HOME THEATERS & CAR AUDIO
Dropship 10 Inch Car Audio Speaker Subwoofer 1000 Watt High Power Bass Surround Sound Stereo Sub Woofer System DJ Sub Woofer Loudspeaker Wide Range Foam Edge Cone 4 Ohms 120 Mm 5
Kicker Pack of 2 50GOLD104 10" Dual 4-Ohms Car Subwoofer w/ 800 Watts Peak Power