The Shure Model 596LB is a compact, hand-held dynamic, low-impedance microphone with a 200 to 5,000 Hz frequency response. Designed especially for voice communications use or as a component in an intercom system, it is an economical unit for applications in budget-restricted paging and other installations. The 596LB microphone is compatible with many popular paging amplifier inputs. Its tailored frequency response provides clear, intelligible operation. The ARMO-DURcase is small, light and sturdy, and fits comfortably in the palm of the hand. It has a long-life push-to-talk switch, and a durable coiled cable for years of reliable performance. The Shure 596LB mic has a low-impedance output.