This listing is for the BLX wireless system that is portable with a zippered travel case. If you are looking to mount the received in a rack or case, you want the Shure BLX24R/SM58. It is the same system but comes with the rack mount kits instead of the travel case.
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.