Shure ULXD2/B58 Digital Handheld Wireless Microphone Transmitter with Beta 58A Capsule (X52: 902 to 928 MHz) gold They are very popular because

They are very popular because of their ability to blend with a variety of musical situations

88” (124 mm)

for use with wireless bodypack transmitters

Length: 50 yd / 45

which delivers an outstanding performance for both vocals and instruments

Shure ULXD2/B58 Digital Handheld Wireless Microphone Transmitter with Beta 58A Capsule (X52: 902 to 928 MHz) gold They are very popular becauseThe Shure ULXD2 SM87 is a digital handheld wireless microphone transmitter compatible with ULX D and QLX D receivers. It comes equipped with the SM87A supercardioid condenser capsule designed to withstand extreme sound pressure levels, while still delivering a remarkably smooth frequency response for vocal performers and presenters. The capsule features a supercardioid polar pattern that rejects off axis background noise, helping to reduce feedback.