Handheld Digital Wireless System

Features BETA®58A Handheld Microphone


The GLXD24/B58 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/BETA58 handheld transmitter, microphone clip, power supply, rechargeable battery, USB cable, carrying case, and user guide.


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.

Shure GLXD24/B58: Digital Wireless System With Beta 58 Mic

Backup Battery



  • 90 x 65 x 23 mm (3.56 x 2.54 x 0.90 in.), H x W x D (without antenna)


  • 132 g (4.7 oz.) without batteries

Power Requirements

  • 3.7 V Rechargeable Li-Ion


  • Cast Metal, Black Powdercoat

Input Impedance

  • 900 kΩ

RF Output Power

  • 10 mW E.I.R.P. max

Transmitter Input

  • Connector
  • 4-Pin male mini connector (TA4M)


  • Unbalanced

Maximum Input Level

  • 1 kHz at 1% THD
  • +8.4 dBV (7.5 Vp-p)

Antenna Type

  • Internal Monopole



  • 221 g (7.8 oz.) without batteries


  • Molded Plastic

Power Requirements

  • 3.7 V Rechargeable Li-Ion

RF Output Power

  • 10 mW E.I.R.P. max

Maximum Input Level

  • 147 dB SPL


51 mm, (2.0 in.) 252 mm, (9.9 in.) 37 mm, (1.5 in.)


Muskego, WI 53150 



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