I SERIES Modular Vertical Array 600 is a scalable, adaptive sound reinforcement system featuring multiple vertically arrayable elements designed to be used in combination or separately and with or without splay between cabinets, providing an extensive range of vertical coverage angle and throw distance configurations. The IV6-118SWR is a high power 1 x 18" compact, direct-radiating subwoofer designed to complement the full range IV6-1122WR elements with deep, impactful low frequency support. The subwoofer can be ground-stacked or suspended separately from the main flown array.