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Shure GLXD14+ Wireless Microphone System with SM31 Headset Microphone

by Shure
Save $300.00 Save $300.00
Original price $899.00
Original price $899.00 - Original price $899.00
Original price $899.00
Current price $599.00
$599.00 - $599.00
Current price $599.00
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Experience crystal-clear sound and no interruptions with the Shure GLXD14+ Wireless Microphone System! Get reliable, guaranteed performance with this professional-grade system, featuring automatic frequency selection and strong, secure audio-grade connections. Enjoy effortless setup with a single-button push and advanced audio features that give you total control. Make your fitness center stand out with studio-quality audio performance! 

 GLX-D+ Dual-Band transmitters and receivers are NOT compatible with previous GLX-D microphone system components (this includes the old GLXD Receiver, GLXD1 Transmitter, and battery. If you have any questions please contact us. If you purchased your equipment before 3/2023, you have the discontinued version.


  • (1) Shure GLXD4+ Receiver
  • (1) Shure GLXD1+ Transmitter
  • (1) Shure SM31-FH Microphone Headset
  • (1) 1/4" TS audio connection cable
  • GLXD+ User Guide



SM31 headset that is sweat-rated for up to two classes per day. (See the GLXD14+/EMIC system for higher class loads)
  • Effortless setup
  • Single-button push
  • Superior, transparent audio
  • Intelligently avoids interference
  • Reliable wireless freedom
  • Easy, Worry-free Setup and Management
  • Engineered in a rugged design

The Shure GLXD14+ wireless system ensures no signal dropouts with its advanced digital circuitry and frequency coordination, delivering reliable audio clarity with extended range. The receiver features an adjustable gain output of up to +6dB, so users have improved control over their audio levels. Featuring a secure mechanism for attaching both receiver and transmitter to a clip, users benefit from a secure, discreet setup that won't interfere with their performance.

End battery life uncertainty
The GLX-D+ Dual Band rechargeable Lithium-Ion SB904 battery can be charged directly on the receiver or via USB-C connector on the transmitter. 

  • Rechargeable battery
  • Up to 12h of runtime (improved from prior generation)
  • A quick charge feature allows for 1.5 hours of use from a 15 minutes charge!
  • Battery model: SB904
  • Battery can be charged directly on the receiver or via USB-C connector on the transmitter

Easy, Worry-free Setup and Management
Transmitters and receivers pair up automatically making setup as simple as possible - plug in and you're ready to go. Smart frequency management continuously monitors the spectrum and seamlessly moves to a clean channel in case any interference appears. Go wireless without complication.


  • Dimensions 7.2 x 4.8 x 1.6 in. (182.8 x 121.97 x 40.3 mm), H x W xD, antennas folded
  • Weight 10.9 oz (310 g)
  • Housing Molded Plastic
  • Power Requirements 14.5 V - 17 V, 600mA
  • Spurious Rejection >35 dB, typical
  • Gain Adjustment Range -20 to 40 dB in 1 dB steps
  • Phantom Power Protection Yes
  • Configuration XLR Output Impedance balanced
  • 6.35 mm (1/4“) output Impedance balanced
  • Impedance XLR Output 100 Ω
  • 6.35 mm (1/4“) output 100 Ω (50 Ω, Unbalanced)
  • Maximum Audio Output Level XLR connector (into 600 Ω load) 1 dBV
  • 6.35 mm (1/4“) connector (into 3 kΩ load) +8.5 dBV
  • Pin Assignments XLR Output 1=ground, 2=hot, 3=cold
  • 6.35 mm (1/4“) connector Tip=audio, Ring/Sleeve=ground


  • Impedance 50 Ω
  • Antenna Type Dual Band 1/2 Wave Sleeve Dipole, non-removable
  • Maximum Input Level −20 dBm

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