ULX Standard UHF systems represent a breakthrough in performance and price for both working musicians and professional sound installers. Multiple system configurations provide limitless options, each with a choice of legendary Shure microphone transmitters. Over 1400 selectable, pre-programmed frequencies are available, and Automatic Frequency Selection provides a straight shot to a clear channel Includes: WL93 Lavalier Microphone WL93 Microphones are economical omnidirectional, subminiature, lavalier, condenser microphones designed for general speech applications where a visually unobtrusive microphone is desirable. All WL93 models are supplied with a mounting block with attached tie bar, a sew-on mounting bracket, and an acoustic windscreen to minimize wind noise in outdoor applications. WL93 Lavalier Microphone | ULXS4 Diversity Receiver | Automatic Frequency Selection | Over 1400 selectable frequencies | Predictive Diversity | RF presence LED | 5?segment audio meter | 3?segment transmitter battery fuel gauge | Multi?function LCD | 1/2 rack design | Detachable 1/4 wave antennas | Durable plastic chassis | Locking DC connector | XLR and 1/4 in. outputs | Mic/line switchable | |