Shure BLX24/SM58 Handheld Wireless Mic System w/ SM58 - J11 Band (596-616 MHz) Frequencies:J11 (596-608 + 614-616 MHz) the QLXD4 is a half-rack

the QLXD4 is a half-rack digital wireless receiver for use with QLX-D Digital Wireless Systems

and Wireless Workbench software gives you real-time access

and folds flat for amazing portability

this rugged case offers maximum durability and convenience

For added functionality

Shure BLX24/SM58 Handheld Wireless Mic System w/ SM58 - J11 Band (596-616 MHz) Frequencies:J11 (596-608 + 614-616 MHz) the QLXD4 is a half-rackShure 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 is the most accessible way to own the stage. Includes BLX4 single channel receiver, BLX2 SM58 handheld transmitter, microphone clip, power supply, 2 AA batteries, and user guide. Also in the Box: 1 WA371 Swivel Adapter 1 PS24