The UR4S+ diversity receiver is a durable, single space, rack-mountable unit designed for use with the Shure UHF-R series. The UR4S+ features a diversity design that aides in minimizing Radio Frequency (RF) interference and noise. A Back-lit LCD provides access to all programmable parameters. Audio outputs include a microphone / line level switchable balanced XLR with ground lift and 1/4" phone connectors. USB and Ethernet connections are provided for direct integration with a PC and network arrays.