The SHURE's 527C has a wide low and high-frequency response, making it ideal for amateur radio, mobile FM transmission, and high-quality paging systems. This paging microphone's vocal response is clean, crisp, and natural. It has a tiny size, is lightweight, and is built in a modular fashion. The 527C's modular design makes it simple to service in the field. The cartridge, switch, and connection are all designed to be easily replaced.