Our powerful Vulkan V11-X15D1 series subwoofer line from Genius Audio, after so many extreme tests, it was possible to manufacture this spectacular line of subwoofer, which has become a sensation for both fans and competitors, designed to withstand high power, supporting the power of the latest generation monoblock class d amplifiers, and in turn controlling the extreme heat in its 4 "flat aluminum wire coil (made in the USA). It has a gigantic triple magnet ferrite motor, reinforced aluminum basket, side and central ventilation system, rigid cone and double-stitched suspension, to withstand the most demanding conditions of high sound pressure and power. With these features you can enjoy unmatched bass depth.