Shure GLXD124R+/85M Single-Channel Wireless Combo Microphone Rack System, Z3 2.4-5.8 GHz

The Shure GLXD124R+ / 85M Digital Wireless System delivers professional-grade audio performance with the flexibility and reliability modern performers, presenters, and venues demand. Operating on advanced dual-band digital wireless technology (2.4 GHz and 5.8 GHz), this system automatically selects the cleanest available frequencies to ensure consistent, interference-free operation. Designed for seamless integration into live sound environments, the rack-mountable receiver provides stable connectivity and intuitive controls, making it ideal for both permanent installations and mobile setups.

This system includes both a handheld transmitter equipped with the legendary SM58 microphone capsule and a bodypack transmitter paired with a lavalier microphone, giving users unmatched versatility for a wide range of applications. Whether you're leading a presentation, performing live vocals, or managing a house of worship, the GLXD124R+ / 85M ensures clear, natural sound reproduction with impressive dynamic range and low latency. The SM58 capsule delivers the iconic vocal clarity Shure is known for, while the lavalier offers discreet, hands-free operation with excellent speech intelligibility.

Built with durability and convenience in mind, the GLXD124R+ system features rechargeable lithium-ion batteries with extended runtime, minimizing downtime and eliminating the need for constant battery replacements. The receiver’s backlit LCD provides clear system monitoring, while true diversity technology enhances signal stability by reducing dropouts. With its rugged construction and professional-grade components, this wireless system is engineered to perform reliably in demanding environments while delivering exceptional audio quality every time.

Key Features

• Dual-band digital wireless operation in 2.4 GHz and 5.8 GHz ranges
• Includes SM58 handheld microphone capsule for professional vocal performance
• Bodypack transmitter with lavalier microphone for hands-free applications
• True diversity technology for stable and reliable signal performance
• Rack-mountable receiver with included hardware (1U half-rack)
• Up to 100 ft operating range with line-of-sight conditions
• Rechargeable lithium-ion batteries with up to 12 hours of runtime
• Low latency performance for real-time audio monitoring
• Wide frequency response for accurate sound reproduction
• Durable metal construction for receiver and transmitters

Technical Specifications

Wireless Technology: Digital 2.4/5.8 GHz
Diversity: Yes, True Diversity
Max Operating Range: 100' (Line of Sight)
Receiver Type: 1x Tabletop/Rack-Mountable
Number of Audio Channels: 1
Included Transmitters: 1x Handheld, 1x Bodypack
Microphone Type: 1x Handheld with Interchangeable Capsule (SM58 Included), 1x Lavalier
Included Charging Case: No

System
Wireless Technology: Digital 2.4/5.8 GHz
Diversity: Yes, True Diversity
RF Frequency Band: Z3: 2400 to 2483.5 MHz / 5725 to 5850 MHz
Max Operating Range: 100' (Line of Sight)
Max Transmitters per Band: 8
Dynamic Range: 120 dBA
Latency: 4.5 to 8 ms
Encryption: No
Built-In Recorder: No
Timecode Support: No
Mobile App Compatible: No

Receiver
Receiver Type: 1x Tabletop/Rack-Mountable
Mounting Options: Rackmount (with Included Hardware, 1U Half-Rack)
Antenna: 2x Removable 1/2 Wave Sleeve Dipole (Rear-Mount)
Number of Audio Channels: 1
Audio I/O: 1x XLR 3-Pin Balanced Mic/Line Output, 1x 1/4" TRS Balanced Output
Network I/O: No
USB/Lightning Connectivity: 1x USB-C Female (Firmware Update)
Frequency Response: 20 Hz to 20 kHz (Dependent on Mic)
Display: Backlit LCD
Power Requirements: AC/DC Power Adapter

Transmitters
Included Transmitters: 1x Handheld, 1x Bodypack
RF Output Power: 10 mW
Antenna: Fixed External (Handheld), Fixed External (Bodypack)
Input Level: Microphone
Audio I/O: 1x TA4M/Mini-XLR 4-Pin Male Input (Bodypack)
Bias/Plug-In & Phantom Power: 5 V Bias/Plug-In Power, No Phantom Support
USB I/O: 1x USB-C (Charging)
Muting: Off/On Switch
Gain Range: -18 to +42 dB (1 dB Steps)
Auto-Level/Gain: No
Sync Method: Proprietary
Display: Single-LED Indicators Only

Microphones
Microphone Type: 1x Handheld (SM58), 1x Lavalier
Polar Pattern: Cardioid (Handheld), Cardioid (Lavalier)
Frequency Response: 50 Hz to 15 kHz (Handheld), 70 Hz to 20 kHz (Lavalier)
Maximum SPL: 146 dB (Handheld), 140.5 dB (Lavalier)
Sensitivity: -54.5 dBV/Pa (Handheld), -43.5 dBV/Pa (Lavalier)
Output Connector: 1x TA4F/Mini-XLR 4-Pin Female (Lavalier)
Color: Black

Power
Transmitter Battery Type: 2x Shure SB904 - 2420 mAh (Included)
Transmitter Battery Life: Up to 12 Hours
Battery Charging Time: 0.25 to 3 Hours
Included Charging Case: No
AC/DC Power Adapter: 14.5 to 17 VDC at 600 mA (Included)
Input Power: 100 to 240 VAC, 50 / 60 Hz

Physical
Environmental Resistance: No
Housing: Metal (Receiver), Metal/Plastic (Transmitters)
Dimensions: Receiver: 7.8" x 6.4" x 1.7"
Bodypack Transmitter: 4.5" x 2.6" x 1.1"
Handheld Transmitter: 9.7" x 2" x 1.5"
Weight: Receiver: 30.5 oz
Handheld Transmitter: 9.7 oz (with Battery)
Bodypack Transmitter: 5.4 oz (without Battery)
Lavalier: Not Specified

What’s Included

GLXD4R+ Rack-Mount Receiver
SM58 Handheld Transmitter
Bodypack Transmitter
Lavalier Microphone
Rechargeable SB904 Batteries
Rack Mount Hardware
Power Supply
USB-C Charging Cable