The Shure ULXP24D/BETA58 Dual Handheld Wireless Microphone System includes two ULXP4 Diversity Receivers, and two ULX2 Handheld Transmitters fitted with Beta SM58A Mic capsules. Shure ULX Standard UHF systems represent a breakthrough in performance and price for both working musicians and professional sound installers. ULX Professional wireless systems offer more advanced features and controls, including lockable settings and group scan function. Over 1400 selectable, pre-programmed frequencies are available, and Automatic Frequency Selection provides a straight shot to a clear channel. NOTE: Bodypack and Handheld Transmitters cannot be used simultaneously.Shure ULXP24D/BETA58 Dual Handheld Wireless Microphone SystemThe Shure ULXP24D/BETA58 Dual Handheld Wireless Microphone System includes two ULXP4 Diversity Receivers, and two ULX2 Handheld Transmitters fitted with Beta SM58A Mic capsules. Shure ULX Standard UHF systems represent a breakthrough in performance and price for both working musicians and professional sound installers. ULX Professional wireless systems offer more advanced features and controls, including lockable settings and group scan function. Over 1400 selectable, pre-programmed frequencies are available, and Automatic Frequency Selection provides a straight shot to a clear channel. NOTE: Bodypack and Handheld Transmitters cannot be used simultaneously.Shure ULXP24D/BETA58 Features:ULXP4 Wireless Diversity Receiver: