Shure BLX Handheld Wireless System With SM58 - Rackmountable - J10 BandThe 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, its the most accessible way to own the stage. Includes BLX4R rack mount receiver, BLX2 SM58 handheld transmitter, microphone clip, single and dual