BLX24R/SM58 Handheld Wireless SystemThe BLX24R/SM58 Handheld Wireless System is part of the BLX wireless systems family. Shure BLX Wireless Systems combine professional-quality sound with simple setup and an intuitive interface for legendary audio performance right out of the box. Precision-built and available in a variety of configurations, it’s the most accessible way to own the stage. Includes BLX4R rack mount receiver, BLX2/SM58 handheld transmitter, microphone clip, single and dual rackmount kit, two 1/4 wave antennas, zipper bag, power supply, 2 AA batteries, and user guide.BLX2/SM58 Handheld Wireless Microphone TransmitterFeaturing an integrated SM58 microphone cartridge, the BLX2/SM58 Handheld Wireless Microphone Transmitter delivers wireless audio with professional clarity and reliability. Features of the SM58 Microphone: The legendary Shure SM58 vocal microphone is designed for professional vocal use in live performance, sound reinforcement, and studio recording. Its tailored vocal response for sound is a world standard for singing or speech. A highly effective, built-in spherical filter minimizes wind and breath "pop" noise. A unidirectional (cardioid) pickup pattern isolates the main sound source while minimizing unwanted background noise. Rugged construction, a proven shock-mount system, and a steel mesh grille ensure that even with rough handling, the SM58 will perform consistently, outdoors or indoors.Additional Features:- One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference- XLR and ¼" output connectors- Up to 300 ft (91 m) operating range for total wireless freedom- Rugged and reliable Shure construction