The PGX24/BETA 58A wireless system from Shure makes wireless setup quick and easy. This Instrument mic system incudes a BETA 58A Microphone Cartridge, PGX2 Transmitter and PGX4 Diversity Receiver. The system comes packaged in a foam-lined carrying case. In the tradition of the SM58, the Beta 58A dynamic microphone has become a top choice among vocalists and touring sound professionals. The Shure Beta 58A is a high-output supercardioid dynamic vocal microphone designed for professional sound reinforcement and project studio recording. It maintains a true supercardioid pattern throughout its frequency range. This insures high gain-before-feedback, maximum isolation from other sound sources, and minimum off-axis tone coloration. The Beta 58A has a shaped frequency response that is ideal for close-up vocals. The superb performance of this microphone is not affected by rough handling because of its rugged construction, proven shock mount system, and hardened steel mesh grille. Typical applications for the Beta 58A include lead vocals, backup vocals and speech. Designed to meet the needs of traveling performers, Shure's PGX2 feature a full selection of industry-standard handheld vocal microphones. Some features include automatic transmitter setup, 18 MHz operating range and a multi-function LED indicator. The PGX4 Diversity Receiver offers the best in wireless for traveling performers with simplified setup, utilizing automatic frequency selection and automatic transmitter setup. This receiver also features 90 selectable frequencies, XLR and 1/4" outputs and a microprocessor-controlled diversity.