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How It WorksWhat’s the secret to giving you more wireless with less worry? Control. QLX-D lets you streamline setup across multiple receivers, and Wireless Workbench software gives you real-time access, monitoring and control throughout the performance. You can even manage the system from your iOS device for maximum convenience. |
Why It’s BetterThe 24-bit digital audio and the wide frequency response capture the sound as clearly and accurately as it was produced. The rechargeable lithium-ion battery option extends performance on stage, simplifies workflow and saves money versus replaceable alkaline batteries. Confidentiality is ensured via AES-256 advanced encryption that generates a randomized key for each use. |
Quality That’s In The Details
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One of the most trusted audio brands worldwide
With a history of audio innovation starting in 1925, Shure has turned a passion for making great microphones and audio electronics into an obsession. Today Shure continues to set the worldwide industry standard for superior microphones and audio electronics.
QLX-D
Digital Wireless Systems
Shure QLX-D Digital Wireless is the clear choice for exceptionally detailed wireless audio in widely diverse and demanding environments. A highly flexible system featuring streamlined setup and operation, QLX-D boasts impressive RF efficiency to get more channels on air using less spectrum, while the rugged all-metal construction withstands the rigors of constant use. From corporate seminars to music clubs, classroom lectures to houses of worship, Shure QLX-D Digital Wireless has it covered.
- Transparent 24-bit digital audio captures every performance detail
- Extended 20 Hz to 20 kHz frequency range
- Compatible with Shure Wireless Workbench 6 control software
- Over 120 dB of dynamic range eliminates transmitter gain adjustment
- Remote control from an iOS device via ShurePlus Channels mobile app
The QLXD4 combines professional features with streamlined setup and operation. Professional-grade rack hardware.
QLXD4
Digital Wireless Receiver
Featuring transparent 24 bit digital audio quality and incredibly efficient RF spectrum usage, the QLXD4 is a half-rack digital wireless receiver for use with QLX-D Digital Wireless Systems. Ideal for presentation spaces, music venues, and houses of worship, the QLXD4 combines professional features with streamlined setup and operation. Automatic scanning quickly finds open frequencies and one-touch sync quickly deploys them to transmitters.
- Up to 72 MHz tuning bandwidth (region dependent)
- Up to 168 compatible channels per frequency band (region dependent)
- Digital predictive switching diversity ensures solid RF connection
- Automatic channel scan quickly finds the cleanest frequency
- IR sync deploys selected frequency to transmitter

Defined, Streamlined Performance
QLX-D offers outstanding wireless functionality for demanding live sound events and installations.
QLXD1 or QLXD2
Wireless Transmitter
Featuring transparent 24 bit digital audio quality and incredibly efficient RF spectrum usage, the QLXD1 and QLXD2 transmitters are ideal for wireless vocals and instruments in presentation spaces, music venues, and houses of worship. Easy to use, the QLXD1 and QLXD2 quickly sync with a wireless receiver over IR at the push of a button and maintains clear, uninterrupted signal over its entire 100 m (330 ft.) range.
- 100 meter line-of-sight operating range
- AES 256-bit encryption for secure transmission
- Up to 9 hours continuous use with 2 x AA alkaline batteries
- Over 120 dB of dynamic range – no transmitter gain adjustment needed
- Backlit LCD with easy to navigate menu and controls
- 100 meter line-of-sight operating range
- Selectable display mode showing group/channel, frequency, or battery runtime
Systems Available With:
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HandheldInterchangeable SM, Beta, and KSM microphone cartridges |
LavalierMiniature and subminiature lavalier condenser microphones |
HeadsetComfortable over-the-ear design |
InstrumentMicrophone and cable options for instrument and line input |
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QLXD124/85 | QLXD14/SM35 | QLXD14 | QLXD24/SM58 | |
Microphone Type(s) | Handheld and Lavalier | Headset | Instrument Cable | Handheld |
Batteries | 4 AA (included) or optional SB900 rechargeable batteries | 2 AA (included) or optional SB900 rechargeable batteries | 2 AA (included) or optional SB900 rechargeable batteries | 2 AA (included) or optional SB900 rechargeable batteries |
Cables | 2 BNC | 2 BNC | 2 BNC | 2 BNC |
Pouch | 2 zipper bags | Zipper bag | Zipper bag | Zipper bag |
Run Time (continuous use) | 9 hours on AA batteries, or 10 hours on SB900 lithium-ion rechargeable | 9 hours on AA batteries, or 10 hours on SB900 lithium-ion rechargeable | 9 hours on AA batteries, or 10 hours on SB900 lithium-ion rechargeable | 9 hours on AA batteries, or 10 hours on SB900 lithium-ion rechargeable |
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