The Shure BLX24R/B58 Rackmount Wireless Handheld Microphone System with Beta 58A Capsule (J11) is a professional-grade wireless handheld microphone system engineered for clear, powerful vocal performance. Featuring the industry-favorite Beta 58A supercardioid dynamic microphone capsule, this system delivers pristine sound quality, robust RF performance, and easy setup for live performances, events, and broadcasting. Operating in the J11 frequency band (596 to 616 MHz), the system offers reliable transmission and reduced signal interference. The rackmountable BLX4R receiver enhances convenience and stability in touring and fixed installations alike. Ideal for vocalists, speakers, and sound engineers demanding dependable wireless performance.