__Pro audio bass speaker system __ - Vertical, horizontal line array applications - Multiple 4” long-excursion, full-range cone drivers - Extended frequency response - Selectable 8 Ohm or 32 Ohm impedance - Selectable channel 1 or 2 - Weather proof, suitable for outdoor installations- IP32 The KKS50 is a compact but extremely powerful, line array bass system comprised of 4 x 4” neodymium transducers engineered for maximum linear excursion and minimum residual noise, housed in a military spec. stainless steel chassis. This pro audio speaker can be configured horizontally or vertically.