SKU: 51198256847

Shure GLXD14+ Dual Band Wireless System with GLXD4+ Tabletop Receiver GLXD1+ Bodypack Transmitter and SM31FH Headset Microphone

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Description

Shure GLXD14+ Dual Band Wireless System with GLXD4+ Tabletop Receiver GLXD1+ Bodypack Transmitter and SM31FH Headset MicrophoneThe Shure GLXD14+ is a digital wireless fitness headset microphone system that offers reliable hands free audio with outstanding sound quality in a package that's simple to use, even if you've never operated a wireless system before. Shure's next generation technology handles the set up for you, automatically scanning both the 2. 4 and 5. 8 GHz frequency ranges to seek out the best possible digital transmission channel to ensure dependable performance

The Shure GLXD14+ is a digital wireless fitness headset microphone system that offers reliable hands-free audio with outstanding sound quality in a package that's simple to use, even if you've never operated a wireless system before. Shure's next-generation technology handles the set up for you, automatically scanning both the 2.4 and 5.8 GHz frequency ranges to seek out the best possible digital transmission channel to ensure dependable performance for your workout and exercise demonstrations at a typical range of up to 100' indoors and 65' outside.

This version of the GLXD14+ is configured with a bodypack transmitter and an SM31 Fitness headset microphone designed to provide a secure, comfortable fit for sports and aerobics instructors. The headset has integrated moisture-repelling hydrophobic fabric that helps protect the microphone capsule from sweat and humidity, while the lightweight and low-profile form factor helps avoid fatigue during high-impact use. Tailored for speech, the electret-condenser capsule delivers crisp, clear vocal reproduction and the cardioid pickup pattern helps to focus audio capture on the subject, helping to pick up less surrounding sound and reducing feedback issues when sound reinforcement equipment is used. A windscreen is provided to reduce plosives and vocal pops.

The mic plugs into the TA4F connector on the rugged, metal GLXD1+ bodypack transmitter, which offers an ergonomic design and a comfortable fit with a convenient on/off switch that can be operated by feel. Up to 12 hours of operation are supplied by the included SB904 rechargeable lithium-ion battery. A red and green LED indicator shows sync and battery statuses at a glance. The transmitter automatically powers off after approximately 1 hour to conserve battery life if the signal from a linked receiver is not detected.

This configuration includes a portable tabletop receiver made from durable ABS plastic with front-panel charging for the SB904 battery and an easy-to-read display that shows pertinent information. The system transmits audio with a flat, 20 Hz to 20 kHz frequency response and 120 dB of dynamic range, leaving the sound of your mic unaffected by the wireless components. The transmitter's input gain can be wirelessly adjusted right from the receiver's front panel to optimize the audio signal. The rear panel provides a balanced XLR output switchable between mic and line levels along with a balanced 1/4" Inst/Aux output.

Dual-Band Technology for Easy and Reliable Wireless Performance
  • GLX-D+ Dual-Band Digital Wireless systems operate in both the 2.4 and 5.8 GHz frequency ranges, automatically scanning both to select the one that offers the higher number of clean channels.
  • The previous GLX-D only worked in the 2.4 GHz range, which offers 83.5 MHz of bandwidth. By expanding into the 5.8 GHz range, the GLX-D+ provides an additional 125 MHz worth of potential open frequencies for available channels, helping to minimize dropouts and enhance reliability.
  • The system offers true digital diversity, which means two antennas and two independent receiver modules work together to reduce RF signal dropouts.
  • In addition, the GLX-D+ transmits on its own main frequency just like a traditional system, but it also transmits on 2 extra "backup frequencies” at the same time. If the system detects interference on the main frequency, it will switch to one of the backups automatically without the user even knowing.
  • Besides the additional spectrum, there are other benefits to in operating in the 5.8 GHz range. In general, there are fewer devices operating in this range, making the spectrum cleaner. The 2.4 GHz range is home for Bluetooth devices and other devices, including Wi-Fi routers and repeaters, security cameras, baby monitors, garage door openers, and more. Operating in this range means competing with these devices for the same space.
  • GLX-D+ receivers typically allow you to run up to 4 mics simultaneously in the same space. Under ideal conditions, up to 8 systems can be used.
  • If you need more mics at once, consider a system with the GLXDR+ half-rack receiver, which offers removable antennas and can accommodate the GLXD+FMZ3/LC Frequency Manager (available separately). The frequency manager allows up to 11 mics to operate simultaneously (16 under highly optimal conditions) making it ideal for installations with multiple wireless systems.
Intelligent Battery Rechargeability for Uninterrupted Performance
  • The GLXD1+ bodypack transmitter runs on an intelligent SB904 rechargeable lithium-ion battery (included).
  • The battery provides up to 12 hours of continuous use on a full charge.
  • The SB904 battery can be recharged in the GLXDR4+ receiver's charging bay (located on the front panel). The charging bay can also be used to recharge a spare battery while the transmitter is in use.
  • Alternately, the SB904 can be recharged while in the bodypack transmitter with a USB charging cable.
  • Just a 15-minute quick charge provides 1.5 hours of use.
  • The SB904's remaining battery life is displayed in hours and minutes from the receiver's front panel.
Add Functionality to Your System
Shure offers a variety of headset, lavalier, instrument, and handheld microphone options to adapt your GLX-D+ system as your needs evolve.

Presenters

 

  • In addition to the SM31 Fitness headset included in this set, Shure also offers the PGA31 headset and SM35 Performance headset models.
  • The discreet MX153 miniature earset mic provides exceptional clarity in spoken word applications.
  • The subminiature WL93 omnidirectional lavalier mic offers consistent pickup, even when the performer turns away from the mic.
  • The WL185 cardioid lavalier features a more focused pickup pattern for presenters, performers, clergy, and lecturers working in high-volume environments.

Vocalists/Presenters

  • The GLXD2+ handheld transmitter is available with a variety of mic capsule options for presenters and performers who prefer the flexibility of a handheld microphone including the SM58, BETA 58A, and BETA 87A capsules.

 

Guitarists

  • The WA302, WA304, and WA305 guitar cables let you connect the bodypack transmitter to a guitar or bass.

Instrumentalists

  • The WB98H/C flexible gooseneck instrument microphone attaches to brass, woodwind, and percussion instruments and connects to the bodypack transmitter.

Shure GLXD14+/SM31-Z3 Specs

System
Wireless Technology Digital 2.4 GHz/5.8 GHz
Included Transmitters 1 x Bodypack
Diversity True Digital Diversity
RF Frequency Band Z3: 2400 to 2483.5 MHz / 5725 to 5850 MHz
RF Bandwidth 208.5 MHz
RF Channel Scanning Auto-Scan
Max Operating Range 100' / 30.5 m (Line of Sight)
Max Transmitters per Band 8
Built-In Recorder No
Timecode Support No
Mobile App Compatible No
*As of February, 2023: Check with manufacturer for the most up-to-date compatibility
Dynamic Range 120 dBA
Modulation Proprietary
Receiver
Receiver Type Tabletop
Antenna 2 x 1/2 Wave Sleeve Dipole, Fixed (Front-Mount)
Number of Audio Channels 1
Audio I/O 1 x XLR 3-Pin Male Balanced Mic/Line Output
1 x 1/4" TRS Female Balanced Output
Gain Range -20 to +40 dB (1 dB Steps)
Audio Output Level XLR Output:
+1 dBV
1/4" Output:
+8.5 dBV
Phantom Power Protection On 1/4", XLR Outputs
Frequency Response 20 Hz to 20 kHz (Dependent on Mic)
Network I/O None
Word Clock I/O None
USB/Lightning Connectivity 1 x USB-C Female (Firmware Update)
Impedance XLR Output:
100 Ohms (Balanced)
1/4" Output:
100 Ohms (Balanced)
50 Ohms (Unbalanced)
RF Output Power 10 mW (EIRP, Max)
Spurious Rejection: >35 dB
Power Requirements AC/DC Power Adapter
AC/DC Power Adapter 14.5 to 17 VDC at 600 mA (Included)
AC Input Power 100 to 240 VAC, 50 / 60 Hz
Display & Indicators 1 x Backlit LCD (AF Level, Channel, Frequency, Group, Transmitter Battery Status)
Housing ABS
Operating Temperature 32 to 113°F / 0 to 45°C
Dimensions 7.2 x 1.6 x 4.8" / 183 x 40 x 122 mm
Weight 10.9 oz / 310 g
Transmitter
Transmitter Type Bodypack
RF Output Power 10 mW (EIRP)
Audio I/O 1 x TA4/Mini XLR 4-Pin Male Unbalanced Input (Lockable)
Plug-In Power 5 V
Pad None
Muting Off/On Switch
Audio Input Level -8.4 dBV / 7.5 V p-p
Auto-Level Control No
Gain Range -18 to +42 dB (1 dB Steps)
Sync Method Proprietary
Antenna 1 x Internal, Fixed (Beltpack)
Power Requirements Battery
Battery Type 1 x Shure SB904 (Included, Replaceable)
Internal Battery Capacity 2420 mAh
Battery Charging Time .25 to 3 Hours
Approx. Battery Life 12 Hours (Lithium Rechargeable)
USB/Lightning I/O 1 x USB-C (Charging)
Display & Indicators 1 x LED (Battery Status, Sync)
Housing Metal
Dimensions 2.6 x 4.5 x 1.1" / 67 x 115 x 28.5 mm (without Antennas)
Weight 5.4 oz / 153.1 g (without Batteries)
Microphone
Microphone Type Headset
Color Black
Sound Field Mono
Capsule Electret Condenser
Polar Pattern Cardioid, Unidirectional
Frequency Range 45 Hz to 20 kHz
SNR 66 dB
Equivalent Noise Level 28 dB A-Weighted
Maximum SPL 145 dB SPL
THD < 3%
Impedance 600 Ohms
Dynamic Range 117 dB
Outputs 1 x TA4/Mini XLR 4-Pin Female Unbalanced (Lockable)
Cable Length 3.6' / 1.1 m
Operating Voltage 5 to 10 V
Operating Current Consumption 40 µA
Weight 2.1 oz / 60 g
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 51198256847

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4.4 ★★★★★
Based on 12 reviews
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Heather Mitchell
West Palm Beach, US
★★★★★ 5
Great for freezing apple sauce, peanut butter, etc for a treat.
Size: Large (Pack of 1), Product Packaging: Standard Packaging
Our dog has extreme separation anxiety. When ever he even thinks we are going to leave he barks and jumps in our face. He is a mini Aussie, so he can jump high. I have researched ways to help him not freak out so much when we leave. I read that giving him something like this with some yummy frozen in it like peanut butter, apple sauce, wet food, etc. so he relates us leaving to him getting a yummy treat. He still freaks out when we leave, but not as bad because he wants the kong but also wants to remind us he doesn’t approve of us leaving, lol. It’s Kong, so obviously very high quality. It’s pretty heavy. I wish there was an in between size, this is a little too big and the smaller size isn’t big enough. So his tongue can’t quite reach the end inside. He also plays with it when it’s not filled with treats. We have a few so one can be in the freezer while he has one. Thank goodness he is a dog that doesn’t destroy stuff when we are gone, just yells at us when we are leaving. After we are gone he just pouts. But this gives him something to do and keeps him busy. It takes him quite a while to finish what’s inside.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
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Verified Purchase
Heather Geschwentner
Lowell, US
★★★★★ 5
Tough
Size: X-Large (Pack of 1), Product Packaging: Standard Packaging
Nice and tough. Good, large size to put lots of treats and goodies to freeze for long interactive experience enjoyment.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026
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Verified Purchase
Cakebaker
Phoenix, US
★★★★★ 4
Helps with separation anxiety, keeps dogs busy
Size: Medium (Pack of 1), Product Packaging: Standard Packaging
Have been using kongs for my labs for years. Brand new the kongs do have a strong rubber smell. Try putting the Kong in a pot with water over low fire to help reduce the smell. Stuff with favorite treats or fill with peanut butter and freeze. Will keep dogs busy and chewers with an indestructible toy
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 17, 2026
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Verified Purchase
Susan D. McCarthy
Draper, US
★★★★★ 5
Very durable and my Dutchie loves it
Size: X-Large (Pack of 1), Product Packaging: Standard Packaging
This is one of many Kongs I have purchased through the years. This one was the extra large that was purchased for my Dutch Shepherd. Every night at bedtime, he gets his Kong stuffed with some dry food, treats, and a nubs bone to hold everything in place. He loves his Kong and runs for his crate at bedtime. Usually, he doesn’t eat the treats immediately. But sometime during the middle of the night, he will wake up and eat. Every Kong I have purchased through the years has been very durable. I highly recommend this product for all sizes of dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 22, 2026
C
Verified Purchase
charlie
Dallas, US
★★★★★ 5
Best chew toy and training item on the market!
Size: Small (Pack of 1), Product Packaging: Standard Packaging
I'm a Dog Trainer, specializing in early canine education with Puppies between eight and 18 weeks . The Kong is the best thing you can give a dog! You can stuff these things with all kinds of yummy things. I love to get creative with the Kongs. Adding novelty to your dog's life improves their brain health. I can't even give examples because I would be here all day. For dogs who eat kibble you can soak your kibble in water or better yet bone broth, then once it's soft, fill the kong with the kibble and put it in your freezer. Keeps your dog busy for a long time, you don't have to buy extra stuff because you just give them the kibble you're already going to give them. (I recommend getting at least one, but up to six for each dog so you can give them their entire daily allowance of food in the Kongs). The licking /chewing helps them relieve stress and gives them something to enjoy inside their crate. I learned this from Dr. Ian Dunbar and I highly recommend his training courses on a platform called Dunbar Academy to learn how to properly raise a Puppy into the best dog you've ever had. He has helpful information for older dogs too, but you really want to train your puppy properly so you can avoid the behavior problems in the first place. It's super cheap too, and easy to learn from. Plus these are great chew toys for heavy chewers because as long as you get the right size for your dog, they can't destroy this thing! AND it bounces, so you can actually play fetch with it like it's a ball. Every single dog deserves a Kong, so if you don't already have one, go ahead and do that right now. You won't regret it, and your dog definitely will love you more.
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Reviewed in the United States on December 29, 2025

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