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
PW-002 15 Inch Subwoofer OD=394mm Double 220mm Magnetic 800-1200W 4 Ohms 75mm Invoice Coil 93.5dB 15kg/PCS
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
Dayton Audio LW150-4 6" Low Profile Woofer 4 Ohms
Amazon.com: DS18 IXS10.4S Shallow Car Subwoofer - 10" 1000W MAX Power, 500W RMS, Single Voice Coil, 4 Ohms Impedance (1 Speaker) : Electronics
DS18 ZXI12.4D High Excursion 12" Car Subwoofer 2000W DVC 4-Ohms Quad Stacked Magnets
Cerwin-vega Mobile Vega Series Dvc Subwoofer (12-inch, 1,300 Watts, Dual 2 Ohms/4 Ohms) : Target
DS18 EXL-X8.4D 8" Car Subwoofer 1200 Watts Dvc 4-Ohms