Handheld Digital Wireless System

Features SM58® Handheld Microphone


The GLXD24/SM58 Handheld Wireless System is part of the GLX-D wireless systems family.

Revolutionary Shure GLX-D® Digital Wireless Systems combine leading-edge LINKFREQ Automatic Frequency Management technology with best-in-class intelligent lithium-ion battery rechargeability to define the new standard for seamless operation and digital audio clarity.

Includes GLXD4 receiver, GLX2/SM58 handheld transmitter, microphone clip, power supply, rechargeable battery, USB cable, carrying case, and user guide.

Shure GLXD24/SM58: Digital Wireless Vocal System with SM58 Vocal Microphone

Get An Extra Rechargeable Battery

Shure GLX Digial wireless operare in the Z2 or 2.4 GHz frequency range.


2.4 GHz Pros

  • No license required in any country.
  • No interference from local TV stations.

2.4 GHz Cons

  • Used for many other wireless services, such as Wi-Fi. Note there are audio mixing boards that use Wi-Fi for remote control.
  • Heavy RF traffic in this band can adversely affect the GLX-D performance.  Symptoms can be short transmission range, frequent loss of signal, inability to operate multiple GLX-D systems at the same time.
  • The human body efficiently absorbs and blocks this frequency.  The short 2.4 GHz wavelengths (4.9 inches) make it essential to maintain line-of-sight between the transmitter and the receiver for the most reliable operation.
  • Microwave ovens can produce local interference in this frequency band.
  • At 2.4 GHz, transmission distance outdoors is typically far less than indoors.   Outdoors there is a lack of surfaces to reflect the transmitted signal.  Such reflections improve transmission distance indoors. As a general rule, 2.4 GHz waves do not effectively penetrate many types of walls. 

NOTE: In theory, it is feasible to simultaneously operate up to eight GLX-D systems in one venue under optimal conditions.  However, local interference in the 2.4 GHz band will often reduce this number to four or less.

© 2020 by massmusiK