SKU: 70194012813

Shure QLXD14/SM35 Digital Wireless Cardioid Performance Headset Microphone System (G50: 470 to 534 MHz)

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Description

Shure QLXD14/SM35 Digital Wireless Cardioid Performance Headset Microphone System (G50: 470 to 534 MHz)The Shure QLXD14 SM35 rackmount digital wireless headset microphone system provides instructors, presenters, and broadcasters with professional quality audio, reliable RF performance, and secure AES 256 bit encryption. Rugged and easy to use, it is ideal for use in TV broadcast or sound reinforcement applications in medium sized venues and houses of worship, as well as A V installations in conference, educational, and corporate facilities. The QLXD14

The Shure QLXD14/SM35 rackmount digital wireless headset microphone system provides instructors, presenters, and broadcasters with professional-quality audio, reliable RF performance, and secure AES 256-bit encryption. Rugged and easy-to-use, it is ideal for use in TV broadcast or sound-reinforcement applications in medium-sized venues and houses of worship, as well as A/V installations in conference, educational, and corporate facilities.

The QLXD14/SM35 operates in the UHF band to transmit pristine 24-bit/48 kHz digital audio with clarity, accurate low end, and crisp transient response. It utilizes Digital Predictive Switching Diversity to protect the transmission from interference and deliver solid RF signal stability without audio artifacts. You can run up to 60 mic channels at the same location.

The system comes with an SM35 cardioid performance headset microphone built for clear vocal reproduction. The headset's wearable design offers both comfort and a secure fit for long-wearing use and gives active performers the freedom to express themselves without having to sacrifice the sound quality found in traditional microphones. The bodypack transmitter provides up to 9 hours of operation on two AA batteries, with selectable 1/10mW RF power and a transmission range up to 330'.

The receiver features audio and RF meters, 60 dB of gain control, and both mic/line XLR and 1/4" instrument outputs. A large LCD screen and intuitive controls let you quickly make adjustments, even in low-light situations. Additional features include automatic frequency scanning, IR sync, and internal limiting to prevent clipping.

The Ethernet port allows multiple receivers to be easily networked together for simplified frequency coordination and deployment via Shure's Wireless Workbench (WWB) software.

Key Features
  • For Presenters and Broadcasters
  • SM35 Cardioid Performance Headset Mic
  • Rugged Bodypack Transmitter
  • Switching-Diversity Rackmount Receiver
  • 2560 Auto-Scan Frequencies
  • Selectable 1/10mW RF Power
  • High-Contrast LCD Display
  • Ethernet Port for WWB Control Software
  • 9-Hr AA Batteries
  • Expandable to 60 Mic Channels/330' Range

Rugged Bodypack Transmitter with Headset Mic for Hands-Free Performances

  • The SM35 condenser performance headset mic features a cardioid polar pattern that helps reject signal bleed and feedback for use on stages and behind floor monitors. The flexible gooseneck design with discrete adjustment options lets you position the microphone for further source isolation in loud environments. 
  • The headset plugs into the locking TA4M connection on the compact QLXD1 bodypack transmitter. The adjustable input sensitivity on the transmitter accommodates a wide variety of speaking styles and mic levels, and even instrument-level audio.
  • The rugged, all-metal transmitter features a backlit LCD that displays essential information and provides fast menu access. It can be locked out to prevent accidental changes during a performance. The transmitter syncs to the receiver via infrared with a quick press on the Sync button.

Robust Performance with Digital Switching Diversity Reception

  • The system operates in the G50: 470 to 534 MHz UHF band with a 64 MHz tuning range and 2560 selectable frequencies.
  • Digital Predictive Switching Diversity uses a microprocessor to switch antennas before dropouts occur.
  • Two detachable 1/2 wave dipole antennas are included.
  • 256-bit AES encryption offers unbreachable privacy by using a unique, randomized encryption key generated every time encryption is enabled.
  • Low latency makes the system ideal for meetings that require live sound reinforcement.

Intelligent Hardware Simplifies Setup, Monitoring, and Control

  • The receiver’s scanning function automatically finds, prioritizes, and deploys the cleanest frequencies to transmitters via IR sync.
  • The receiver offers up to 60 dB of adjustable gain with an internal limiter that automatically engages to prevent digital clipping of your audio.
  • Intuitive front-panel controls with audio and RF LED meters as well as a peak indicator, allow for quick visual checks.
  • Ethernet networking enables real-time, precision monitoring and control of your system as well as automatic frequency coordination across multiple receivers, using Wireless Workbench software (WWB) for Mac/Windows.
  • The system is compatible with external controllers such as AMX and Creston.
  • Remote Control: Make adjustments from anywhere in the venue from your iPad/iPhone via the ShurePlus Channels Mobile App for iOS devices.

Smart Power Management Options

  • Smart Power Management on Transmitter: The SB900A lithium-ion intelligent rechargeable battery with SBC charger (both available separately) provide extended transmitter battery life over alkaline batteries.
  • The SB900A’s remaining battery life can be metered in hours and minutes from the receiver’s front panel.

Enhance the Reliability of Your System

  • Adding UA874 active antennas or PA805 passive antennas increases the range of your system and offers increased protection against interference.
  • The UA844+SWB antenna distribution system (available separately) lets you stretch the power of your antenna pairs, giving you more on-air channels in less setup time.

A Variety of Options to Meet Your Needs

Shure offers numerous lavalier and handheld microphone options to adapt your QLX-D system as your needs evolve.
  • The WL183 (omnidirectional) lavalier mic offers consistent pickup even when the talent turns away from the mic.
  • The WL185 (cardioid) and WL184 (supercardioid) lavalier mics offer narrower, feedback-resistant pickup patterns for louder events.
  • The discrete MX153 sub-miniature earset mic provides exceptional clarity in spoken word applications.
  • The QLXD2 handheld transmitter is available with several mic capsules choices for presenters who prefer the flexibility of a handheld microphone.

Specifications

System
Wireless Technology Digital UHF
Number of RF Channel Frequencies 2560
Included Transmitters 1 x Bodypack
Diversity Antenna Diversity
RF Frequency Band G50:
534 to 598 MHz
RF Bandwidth 64 MHz
Frequency Step Size 25 kHz
Max Operating Range 330' / 100.6 m
Max Transmitters per Band 60
Sample Rate/Resolution 48 kHz / 24-Bit
Latency < 2.9 ms
Dynamic Range 120 dB
Encryption AES 256
Modulation Proprietary
Receiver
Receiver Type Rackmount
Mounting Options Rackmount (with Included Hardware)
Rackmount Size 1 RU (1/2 Rack)
Antenna 2 x 1/2 Wave External, Detachable (Rear-Mount)
Number of Audio Channels 1
Audio I/O 1 x XLR 3-Pin Male Balanced Output
1 x 1/4" TRS Female Balanced Output
Gain Range -18 to +42 dB (1 dB Steps)
Pad 30 dB
Audio Output Level XLR Output:
+18 dBV (Line Level)
XLR Output:
-12 dBV (Mic Level)
1/4" Output:
+12 dBV (Instrument Level)
Phantom Power Protection On 1/4", XLR Output
Network I/O 1 x RJ45 (10/100 Mb/s)
Network Protocols DHCP, Manual IP
Impedance XLR Output:
100 Ohms (Balanced)
1/4" Output:
100 Ohms (Balanced)
1/4" Output:
50 Ohms (Unbalanced)
Adjacent Channel Isolation >70 dB
Spurious Rejection: >80 dB
Power Requirements AC/DC Power Adapter
AC/DC Power Adapter 12 VDC at 0.4 A, Center-Positive (Included)
AC Input Power 100 to 240 VAC, 50 / 60 Hz at 150 mA
Display & Indicators 1 x Backlit LCD (AF Level, Channel, Group, Menu Navigation, Metering, RF Level, Transmitter Battery Status)
1 x LED (Sync)
1 x LED (Peak)
Housing Metal
Operating Temperature 0 to 122°F / -18 to 50°C
Dimensions 7.8 x 1.6 x 5.9" / 197 x 41 x 151 mm (without Antennas)
Weight 1.7 lb / 777 g (without Antenna)
Transmitter
Transmitter Type Bodypack
RF Output Power 1 / 10 mW
Audio I/O 1 x TA4/Mini XLR 4-Pin Male Unbalanced Input (Lockable)
Audio Input Level 8.5 dBV / 7.5 V p-p
Gain Range 0 to 21 dB (3 dB Steps)
Frequency Response 20 Hz to 20 kHz
Sync Method IR
Antenna 1 x 1/4 Wave
Power Requirements Battery
Battery Type 2 x AA (Included)
1 x Shure SB900A (Not Included, Replaceable)
Approx. Battery Life 9 Hours (Alkaline)
Display & Indicators 1 x Backlit LCD (Channel, Group, RF Output Power)
Housing Aluminum
Dimensions 2.6 x 3.4 x 0.9" / 65 x 86 x 23 mm
Weight 4.9 oz / 138 g (without Batteries)
Microphone
Microphone Type Headset
Sound Field Mono
Capsule Electret Condenser
Polar Pattern Cardioid
Frequency Range 40 Hz to 20 kHz
Maximum SPL 153 dB SPL
Impedance 2400 Ohms
Sensitivity -59 dBV/Pa
Dynamic Range 102.5 dB
Output Connectors 1 x TA4/Mini XLR 4-Pin Female Unbalanced (Lockable)
Cable Length 3.61' / 1.1 m
Operating Voltage 5 to 10 V
Weight 2.54 oz / 72 g
Packaging Info
Package Weight 8.5 lb
Box Dimensions (LxWxH) 19.5 x 17.5 x 4"
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: 70194012813

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4.8 ★★★★★
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T
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Tarheel1979
Dallas, US
★★★★★ 5
Great toy
Color: Red
Indestructible by my Boxers
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 21, 2026
M
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Mike Salas
Bozeman, US
★★★★★ 2
Not for aggressive chewers
States it's for aggressive chewers, lasted 48 hours. She did enjoy it, but it was short lived.
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Reviewed in the United States on March 29, 2026
D
Verified Purchase
Derrick
Bozeman, US
★★★★★ 5
Indestructible ball….Destroyed my dog’s goals
Color: Brown
I have a golden retriever that would rather watch the world burn with every toy I’ve ever gotten him than play nice with any of them. He burns through toys faster than a cardboard bonfire. However, the trap was set…I bought this as a last ditch effort to show that four legged champion of destruction that he could be bested… I remember it to this day.. It was a Tuesday - raining The ball came in the mail and as I nervously unwrapped and opened it, it was as if he knew a new challenger stepped in the ring as he came barreling towards the front door where I stood. Not today I told myself as I stood with confidence with this ball of justice in front of me. The usual sit and stay kept him at bay until I tossed it to him in which he had turned into a frantic honey badger shaking the ball and chewing ferociously he wanted the squeaking thing inside that doesn’t squeak but sounds like an ugly cry. However, it is next Tuesday and the ball stands victorious My dog has been bested and now understands the chain of command. He respects the ball but will always come back for more until he feels that he has won All in all absolutely buy this for aggressive chews and toy playing dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 26, 2024
T
Verified Purchase
Tangodown
Lexington, US
★★★★★ 5
Broke the first day
I purchased the owl ball because of other dog chew toys I purchased from Amazon. Those other chew toys are still holding together. The main reason I got the owl ball is due to the different noises it makes other than the regular squeak noise. After giving the toy to my dog he loved it right away. He especially liked the noise it made. After a few hours, I noticed he was chewing a white tube-like device. I took this away from him and determined it was the noise maker in the owl ball. I examined the owl ball and noticed the glue used to keep the ball cap shut did not hold. On closer inspection, I noticed what looked like rubber cement was used to hold the cap on but if it was rubber cement it was used improperly. Anyway, I just reglued the cap correctly and now it's just a ball because my dog destroyed the noise maker. OK, Since I posted this review I was contacted by the seller. They offered to give me a full refund for the owl ball. I accepted the offer. So, I will try it again, but buy a different color owl this time. I never expected a refund since it's just a ball now, my dog still plays with it and it is holding up very well. The material it is made from is pretty sturdy.
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Reviewed in the United States on September 4, 2024
C
Verified Purchase
Cassandra Mollura
New York, US
★★★★★ 3
Squeaker not working!
Color: Yellow
I'll give it 3 stars because I love the design and it's sturdy and great for dogs to hold/launch. That said, the squeaker doesn't really work... I tried everything but it just doesn't make any sound. My dog wasn't really interested but when it did make a slight sound he approached it. Once it stopped he lost interest. But he's very difficult to please😆 so if you have a normal dog, he'll probably like it! I hope the manufacturer fixes the squeaker issue because apparently many people are having the same issue, which is a shame because the product is clearly well made! I'm on the fence about returning it just because the quality it's amazing(squeaker issue aside)!
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Reviewed in the United States on September 19, 2025

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