DS18 ZXI8.2D ZXI High Excursion 8″ Car Audio Subwoofer 1200W Watts 2-Ohm DVC Quad Stacked Magnets Do you want more excursion, more thumping power, and to shake everyone’s mirrors around you? DS18 has the perfect subwoofer to satisfy all your bass head needs in the newly designed for the ZXI8.2D high excursion subwoofer. This monster sub packs a 2 inches coil made to withstand high amounts of power with the utmost efficiency while producing thunderous distortion free bass. This sub has a low FS so it can be used in large boxes with lower than normal tuning