Representing the entry level of GROUND ZERO, the IRIDIUM line offers a lot of useful features and an amazing performance. The range contains a variety of affordable amplifiers, speakers and subwoofers for the daily use and for SPL purpose. These are available as single drivers for custom-built applications as well as in loaded passive and active enclosures. The subwoofers of the IRIDIUM line are available as SPL models or Street versions for daily use.