Shure BLX14R/W85-H10 Rackmount Lavalier Wireless Microphone System, 542-572 MHz

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 WL185 lavalier microphone, BLX1 bodypack transmitter, BLX4R rack mount receiver, single and dual rackmount kit, two 1/4 wave antennas, zipper bag, power supply, 2 AA batteries, and user guide.
Shure BLX14R/W85-H10 Rackmount Lavalier Wireless Microphone System features:

Rack-mountable receiver with removable antennas for quick distribution
One-touch QuickScan frequency selection quickly locates the best open frequency in case of interference
Up to 14 hours of continuous use from 2 AA batteries (included)
Up to 300 ft (91 m) operating range for total wireless freedom
XLR and ¼" output connectors
Rugged and reliable Shure construction
Legendary Shure microphones options featuring integrated microphone capsule design