Shure
Shure GLXD14+/SM35-Z3 Dual Band Digital Wireless System
★★★★★
USB-Ccondenser
Shure's dual-band wireless headset system delivers 12 hours of dropout-free digital audio for presenters and performers.
$719.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
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Overview
Key Features
NEW, IMPROVED PERFORMANCE - GLX-D+ Dual Band Digital Wireless offers new features previously unavailable in the first generation of GLX-D Wireless: operation in both 2.4 and 5.8GHz, improved battery life, and multiple receiver options.
EXCEPTIONAL, DIGITAL WIRELESS AUDIO - Always come through clear and captivate the audience with superior, transparent audio. GLX-D+ Dual Band intelligently avoids interference to give you total, reliable wireless freedom.
NEW DUAL BAND WIRELESS TECHNOLOGY - provides reliable and consistent signal by automatically scanning both 2.4 and 5.8GHz bands and selecting the cleanest channel. More than double the bandwidth ensures that dropouts won't stop the show.
EASY, WORRY-FREE SETUP & MANAGEMENT - Transmitters and receivers pair up automatically making setup as simple as possible. Smart frequency management continuously monitors the spectrum and moves to a clean channel in case any interference appears.
SMART RECHARGEABILITY - Up to 12 hours of runtime. The new SB904 battery can be charged directly on the receiver or via included USB-C connector on the handheld microphone or bodypack. Quick charge allows for 1.5 hours of use from a 15 minutes of charge.
RF PERFORMANCE FOR MULTIPLE SYSTEM INSTALLATIONS - GLX-D+ Dual Band provides improved RF performance, antenna distribution and automatic frequency management for up to 16 half-rack systems. Frequency Manager (GLXD+ FM) required (sold separately).
LICENSE-FREE FREQUENCY RANGE - allows you to travel without worrying about licenses, frequency coordination and other technical hurdles.
MULTIPLE SETUP OPTIONS - Available in rack-mount, tabletop and guitar pedal receiver options with a wide selection of lavalier, headset and handheld microphone choices - including the legendary SM58. Not Backwards Compatible with GLX-D or GLX-D Advanced.
WHAT'S IN THE BOX? Includes GLXD4+ tabletop receiver, GLXD1+ bodypack transmitter and SM35 headset condenser mic, SB904 lithium-ion rechargeable battery, PS24US power supply, carrying case, and user guide. Free 2-YEAR WARRANTY included.
Specifications
Frequency Bands
2.4GHz and 5.8GHz (dual-band, license-free)
Microphone
SM35 Headset Condenser (cardioid)
Receiver
GLXD4+ Tabletop
Transmitter
GLXD1+ Bodypack
Battery
SB904 Lithium-Ion Rechargeable
Battery Life
Up to 12 hours
Quick Charge
15 minutes for 1.5 hours of use
Charging
On-receiver or USB-C on bodypack
Multi-System Capacity
Up to 16 systems (with GLXD+ FM, sold separately)
Warranty
2 years
Pros & Cons
👍 Pros
- Dual-band 2.4/5.8GHz operation automatically selects the cleanest channel, greatly reducing dropout risk.
- 12-hour battery life with quick-charge capability provides all-day use with minimal downtime.
- Automatic transmitter-receiver pairing eliminates complex setup and frequency coordination.
- SM35 headset mic keeps hands free while maintaining a consistent mic-to-mouth distance.
- License-free operation means no regulatory hurdles when traveling between venues or countries.
👎 Cons
- Not backwards compatible with original GLX-D or GLX-D Advanced gear, requiring a full system upgrade.
- Scaling beyond a few systems requires purchasing the separate GLXD+ FM Frequency Manager.
- Tabletop receiver form factor lacks rack-mount convenience for permanent installation without additional accessories.
- Premium pricing places it well above entry-level wireless headset systems.
Frequently Asked Questions
What frequency bands does the GLXD14+/SM35-Z3 operate on?
It operates on both 2.4GHz and 5.8GHz bands simultaneously, automatically scanning and selecting the cleanest channel to avoid interference and dropouts.
How long does the battery last, and how is it recharged?
The SB904 lithium-ion battery provides up to 12 hours of runtime. It can be charged directly on the GLXD4+ receiver or via USB-C on the bodypack transmitter. A 15-minute quick charge gives approximately 1.5 hours of use.
Is this system compatible with the original GLX-D or GLX-D Advanced equipment?
No, the GLXD14+/SM35-Z3 is not backwards compatible with first-generation GLX-D or GLX-D Advanced systems. It requires GLX-D+ series components.
How many systems can be used simultaneously in one venue?
Up to 16 half-rack GLX-D+ systems can run simultaneously with automatic frequency management, though this requires the separate GLXD+ FM Frequency Manager accessory.
Does this system require a frequency license to operate?
No, it operates in license-free frequency ranges, so you can use it without frequency coordination or licensing in most regions.
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