microphone, SM58

Shure SLXD24/SM58 Wireless System with SM58 Handheld Transmitter SLXD Series Wireless System with SM58 Handheld Transmitter and SLXD4 Wireless Receiver
  Shure SLXD24/SM58 Wireless System with SM58 Handheld Transmitter 

The SLXD24/SM58 Wireless System delivers transparent, 24-bit digital audio and rock-solid RF performance for a wide range of applications,

Shure BLX24R/SM58 Handheld Wireless System, BLX4R Wireless Transmitter & BLX2/SM58 Handheld Transmitter BLX Series Wireless System with BLX2/SM58 Handheld Microphone with Transmitter, BLX4R Rackmountable
  Shure BLX24R/SM58 Handheld Wireless System, BLX4R Wireless Transmitter & BLX2/SM58 Handheld Transmitter 

The Shure BLX24R/SM58 Handheld Wireless

Shure BLX24/SM58 Handheld Wireless System, BLX4 Receiver & BLX2/SM58 Handheld Transmitter BLX Series BLX4 single-channel receiver, BLX2/SM58 handheld transmitter, microphone clip, power supply, 2 AA batteries, user guide
  Shure BLX24/SM58 Handheld Wireless System, BLX4 Receiver & BLX2/SM58 Handheld Transmitter

Searching for a rock-solid wireless handheld

Shure QLXD24/SM58 Digital Wireless Handheld Microphone System, QLXD4 Receiver & QLXD2/SM58 Handheld Transmitter QLX-D Digital Wireless Handheld System with QLXD2/SM58 Microphone with Transmitter, and QLXD4 Receiver
  Shure QLXD24/SM58 Digital Wireless Handheld Microphone System, QLXD4 Receiver & QLXD2/SM58 Handheld Transmitter 

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