DS18 EXL-X12.2D 12" Car Subwoofer 2500 Watts Dvc 2-Ohms
Amazon.com: DS18 Elite Z8 Subwoofer in Black - 8", 900W Max Power, 500W RMS, Dual 4 Ohms, DVC - Premium Car Audio Bass Speaker Great for Low Frequencies and High Power Applications (
DS18 EXL-XX15.2DHE 4,000W Max Dual 2-ohm 15" Subwoofer
DS18 HOOLIGAN X Black Frame, High Excursion 15" Subwoofer 6000 Watts M – Droppin HZ Car Audio
Amazon.com: DS18 SLC10S Car Subwoofer Audio Speaker - 10" in. Paper Glass Fiber Cone, Black Steel Basket, Single Voice Coil 4 Ohm Impedance, 440W MAX Power and Foam Surround for Vehicle Stereo