The MDP amplifiers used in the Velodyne Impact-Mini speaker offers an amazing bass response, so that you hear the lowest thump clearly. To extend the bass effect of the subwoofers, this Impact subwoofer features superior quality impact drivers. The level of distortion is minimized drastically, thanks to the down-firing bass radiator ports of this Velodyne speaker. With a frequency response of 38-140 Hz, the Velodyne Impact-Mini speaker reproduces this range accurately for an incredible sound quality. To maximize output, this Impact subwoofer has a dish-shaped aluminum cone that minimizes standing waves. The compact size of this Velodyne speaker easily fits into a small space.