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Shure Wireless Mic Systems - Which is Best for You?

Posted on: 19th September 2024

In today’s fast-evolving audio landscape, the demand for flexibility, mobility, and high-quality sound has never been greater. Whether it’s a live concert, AV production, high-stakes business presentation, a house of worship service, sport, or a major broadcast event, professionals are turning to wireless microphone systems to deliver clear, uninterrupted performances without the limitations of cables.

Shure, a trusted leader in the world of audio, has been at the forefront of this revolution, offering cutting-edge wireless systems that provide freedom of movement without sacrificing sound quality or reliability.

Wireless microphone systems offer several significant advantages over their wired counterparts, which is why they’ve become the go-to choice for many audio professionals:

Unrestricted Mobility: Wireless systems allow performers, speakers, and presenters to move freely across the stage or venue, unencumbered by cables. This is crucial for dynamic performances where physical movement is part of the act, or in settings like sports broadcasting, theatre, and conferences where seamless mobility is key to the experience.
Reduced Cable Clutter: In busy environments like stages, churches, or corporate events, eliminating cables reduces clutter and hazards, creating a cleaner and safer space. This makes wireless systems invaluable for setups with multiple sound sources or where quick changes and reconfigurations are needed.
Versatility Across Applications: From handheld mics for vocalists to lavalier or headset mics for presenters and performers, wireless systems offer incredible versatility. Shure’s wireless solutions cater to a broad range of needs, providing professionals the ability to select the right mic and system for any environment, without being restricted by cable length or placement.
Enhanced Stage Aesthetics and Professionalism: Wireless microphones improve the visual aesthetic of a performance or event by keeping cables out of sight. This creates a polished, professional look that enhances audience engagement and reduces distractions, making them popular in everything from live concerts to television broadcasts.
Advanced Technology for Interference-Free Performance: One of the most common concerns with wireless microphones is interference, but Shure’s advanced wireless technology—featuring intelligent frequency management, digital signal processing, and encryption—ensures crystal-clear sound transmission, even in environments saturated with wireless devices. This reliability is a key reason why wireless microphones are chosen for critical, high-stakes events.

Shure’s wide range of wireless systems, from entry-level solutions for small venues to sophisticated setups for major tours and events, ensures that audio professionals have the right tools for every scenario. In this blog post, we’ll delve deeper into the innovative features, reliability, and real-world applications of Shure’s wireless microphone systems, and explain which systems are best suited to your application, specification and budget.

Are YOU ready to Sound Extraordinary?

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Shure BLX Series Wireless Mic Systems

The Shure BLX Wireless Systems are entry-level, affordable wireless microphone systems designed for small venues, musicians, presenters, schools and houses of worship. They offer reliable performance, easy setup and great sound quality, ideal for those needed professional-grade wireless audio on a budget.

Key Features of BLX:

It’s the SM58 but in wireless!
- BLX offers an entry level wireless mic system for any user who simply wants an SM58, but with cable-free operation.
Ease of Setup:
- QuickScan will automatically find the clearest frequency available with a simple one-touch button.
- Straightforward plug-and-play setup requires minimal technical expertise, ideal for notice wireless mic system users.
Durability and Range:
- Wireless range up to 300 feet (91 metres) provides flexibility for performers to move freely without signal loss.
- Durable transmitters and receivers, designed for live performance environments.
UHF Band Operation:
- BLX operates in the UHF frequency range, offering better sound clarity and fewer interference issues compared to VHF systems.
- They also feature a diversity receiver, which uses two antennas to reduce signal dropouts and maintain a stable wireless connection.
Battery Life:
- Handheld and bodypack transmitters use standard AA batteries which offers up to 14 hours of battery life, depending on usage conditions.
Versatile:
- BLX supports handheld mics, lavalier mics, headset mics and instrument wireless systems.
- BLX supports up to 12 compatible systems per frequency band, allowing for multiple users in the same performance area without interference.
- The BLX series includes a dual receiver, meaning you can receive two radio transmission signals (perhaps a handheld and headset mic) simultaneously to one receiver.

Popular BLX Models

BLX24/SM58: This is one of the most popular BLX configurations as it features their iconic SM58 microphone capsule, a go-to choice for live vocals.
BLX14/P31: A headset mic system featuring the PGA31 Cardioid Condenser Headset, ideal for instructors, speakers or performers who need hands-free operation whilst maintaining clear audio capture.
BLX188 Dual System: This model supports two microphones (either handheld or lavalier), making it ideal for duos or presentations with multiple speakers.
BLX14 Guitar System: This version comes with a bodypack transmitter and instrument cable, allowing guitarists or instrumentalists to go wireless without sacrificing sound quality.

BLX operates on the K3E frequency (UHF) which is ideal for UK use but requires a license to operate legally. If you or your client want to operate license-free, we suggest jumping down this page straight to GLX-D+.

Furthermore, if you want to rack-mount your BLX system, you’ll have to purchase the BLX4R rack-mountable receiver option.

Alternatively, you can purchase the Shure URT2 rack shelf. When rack mounting your BLX system, ensure your antennas are still clearly visible.

Applications:

Local bands, small performers, singers, presenters, comedy
Small-to-medium corporate presentations and events
Gyms, leisure centres, fitness and dance instructors
House of worship
Pubs, restaurants and hospitality venues
Weddings, ceremonies and events
Community theatres and amateur productions
Schools and education

Overall, the Shure BLX Wireless Systems provide a cost-effective, reliable wireless solution without sacrificing sound quality or durability, making them a great choice for beginners and professionals alike. Especially for those who want a SM58, but in wireless!

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Shure GLX-D+ Series

GLX-D+ is an upgraded version of the GLX-D series, designed for small-to-medium sized applications. It utilizes 24-bit digital transmission across dual-band frequencies (2.4 GHz and 5.8 GHz “Wi-Fi”), allowing for better audio clarity, less interference and greater reliability in more congested environments.

GLX-D+ typically comes at a higher price point than the BLX due to its more advanced features, digital technology, and dual-band operation.

Key Features of GLX-D+:

Licence-free operation! 2.4 GHz is licence-free, making it ideal for users who can’t afford or don’t want to purchase a licence.
SMART Charging: GLX-D+ uses rechargeable lithium-ion batteries (SB904) that can be slotted into and charged via the receiver itself. These batteries achieve up to 12 hours of use, a more environmentally-friendly option that also reduces long-term cost.
Dual-band operation: Operates in both the 2.4 GHz and 5.8 GHz frequency bands. This dual-band capability offers better resistance to interference by automatically selecting the clearest channel between the two bands, resulting in a more reliable wireless signal.
Automatic frequency management means improved stability and less risk of dropouts during performances
Fast set-up thanks to automatic frequency selection
High-quality digital audio: GLX-D+ delivers 24-bit digital audio for crystal-clear sound and a wide dynamic range, ensuring superior sound quality for vocals, instruments and presentations.
More channel availability: The addition of the 5.8 GHz band offers increased channel availability, allowing the system to handle more simultaneous users in environments with high RF traffic.
Guitar Pedalboard receiver: Unique to this series, GLX-D+ offers a pedalboard-style receiver that integrates easily into a guitarist’s existing set-up, providing a seamless, wireless experience.
Rack-mount install receiver options as standard.

One thing to consider when purchasing GLX-D+ is that it has a reduced range of up to 30 metres. This is a limitation of the 2.4 GHz frequency band because it’s widely used by other wireless devices such as routers, smartphones and laptops. Frequencies in 2.4 GHz also have more difficulty penetrating walls, objects and other physical barriers, which can the reduce range in indoor or complex environments. It’s worth remembering though that GLX-D+ is designed for small to medium-sized venues, such as churches, small clubs, and corporate events, where a 30-metre range is usually sufficient and there is usually a clear line-of-sight.

The system prioritizes ease of use, simplicity, and affordability over longer range, making it a good fit for users who don’t need extensive wireless coverage.

Popular GLX-D+ Models

Shure GLX-D24+/SM58: A handheld microphone system featuring the iconic SM58 capsule, which is renowned for its durability and clear vocal sound.
Shure GLXD16+ Guitar Wireless System: Ideal for guitarists, this system includes a bodypack transmitter and pedalboard receiver, providing a wireless solution that fits neatly into any pedalboard setup.
Shure GLXD14+/Lavalier (Lavalier or Headset Options): Ideal for performers and presenters who require hands-free operation.
Shure GLXD24+/Beta58A: Popular with those who require all of the wireless features of GLX-D+ but with the superior vocal reproduction of the Beta 58A.
Shure GLXD14+/PGA31: Best for fitness instructors, theatre performers and presenters who require a durable headset due that will withstand active performances, whilst maintaining hands-free operation.

GLX-D+ Applications:

Local bands, small performers, singers, presenters, comedy
Small-to-medium corporate presentations and events
Gyms, leisure centres, fitness and dance instructors
House of worship
Pubs, restaurants and hospitality venues
Community theatres and amateur productions
Schools and education

GLX-D+ Conclusion

To conclude, GLX-D+ series builds on the success of the GLX-D and uses a free licence band while offering stable RF performance, resistance to interference and a high-quality sound. This makes it perfect for musicians, presenters and performers who need a robust, flexible and easy-to-use wireless solution, but can happily operate within the limited signal range of 30 metres.

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Shure SLX-D Series

The Shure SLX-D Wireless System is a professional digital wireless solution designed to deliver reliable, crystal-clear sound and ease of use for a variety of live performance settings, including corporate events, houses of worship, schools, and concerts. It is the digital upgrade to Shure's widely used SLX analogue series and provides greater RF stability, higher channel count, and enhanced sound quality.

Key Features of SLX-D:

Interchangeable Capsules: SLX-D introduces the option for interchangeable capsules, meaning you can get the right capsule for your needs. They can also be interchanged with Shure’s QLX-D and ULX-D wireless mic systems, ideal in professional environments and AV hire production.
Wireless Workbench and ShurePlus™ Channels App Compatible, providing easy set up and spectrum management, a professional tool used for medium-to-large scale applications in live events, production and touring.
Digital Audio Quality: SLX-D also uses 24-bit digital audio, ensuring clear, precise sound reproduction with a wide dynamic range and low latency. It eliminates the noise and interference that can affect analogue systems, making it ideal for professional applications.
RF Stability and Efficiency: Operating in the UHF band, SLD-X offers up to 32 channels per frequency band, allowing for more devices to be used without interference. It uses true diversity technology with two antennas to ensure signal reliability, minimising dropouts even in challenging RF environments.
Range up to 330ft (100m)
Wide Tuning Bandwidth: The system offers 44 MHz tuning bandwidth, providing greater flexibility to find clear frequencies in crowded RF environments. This is especially beneficial in areas with a high concentration of wireless services, such as large events or urban environments.
Scalability: SLX-D is designed to scale up easily, making it a great choice for larger installations, AV hire production or systems requiring multiple wireless channels. Its ability to handle multiple transmitters across different frequency bands provides adaptability for different event sizes.
Automatic Frequency Management: The system features automatic frequency scanning and synchronization, simplifying setup by automatically selecting the best available frequency. This is particularly useful for users who may not have extensive RF experience.
Rechargeable Battery Option: SLX-D offers both standard AA battery operation and an optional Shure SB903 lithium-ion rechargeable battery system. The rechargeable option provides up to 8 hours of battery life and accurate runtime tracking, reducing long-term operating costs.
Intuitive Controls and Monitoring: The receiver features an easy-to-read LCD screen for real-time monitoring of signal strength, battery life and audio levels. This ensures users can quickly access system performance and adjust settings as needed.
Plug-On Transmitter: SLX-D has the SLXD3 plug-on transmitter option, meaning you can convert any wired microphone with an XLR connection into a wireless mic system.
Portable Receiver: SLXD also has the SLXD5 single-channel portable digital receiver option, ideal for camera and mobile sound recording applications.

SLX-D Applications:

Touring
TV/Film Sound Recordists and News Gathering
Corporate events and presentations
Houses of worship
Education: Schools, colleges and universities
Theatre and broadcast

Popular SLX-D Models

Shure SLXD24D/SM58 Dual Wireless Handheld System features SLX-D combined with 2 SM58 microphones, ideal for dual performers such as vocalists, performers and presenters.
Shure SLXD24/B58 Wireless Handheld System with Beta58A features SLX-D combined with two Beta 58A super cardioid microphones, ideal for users seeking maximum clarity and off-axis rejection on stage.
Shure SLXD14/93 Wireless Lavalier System with the compact and discreet WL93 Omnidirectional Lavalier Microphone, ideal for speakers and presenters who require hands-free operation without drawing attention to their mic.
Shure SLXD14/85 Wireless Lavalier System with the low-profile WL185 Supercardioid Lavalier Microphone, ideal for speech applications in noisier environments thanks to its excellent rejection of background noise, and for those who hands-free operation without drawing attention to their mic.
Shure SLXD14/85 Wireless Headset System with SM35 Unidirectional Headset Microphone, a performance headset that gives multi-instrumentalists the freedom to express themselves without sacrificing sound quality.

SLX-D Conclusion

The Shure SLX-D Wireless System is a versatile, high-performance solution for users who need digital wireless technology with robust RF performance and scalability. Its combination of ease of use, professional sound quality, and expandability, plus Shure Wireless Workbench and interchangeable capsules, makes it an excellent choice for both small and large events.

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Shure QLX-D Series

The Shure QLX-D Digital Wireless System offers a perfect blend of professional-grade audio performance and advanced wireless technology, making it ideal for corporate events, live performances, and installations in houses of worship or educational institutions. Designed for users who require robust wireless reliability and crystal-clear digital sound, QLX-D provides exceptional RF performance and a streamlined setup process. Its ability to operate multiple systems simultaneously, combined with efficient spectrum usage and encryption options, makes it a versatile solution for mid-sized venues looking for high-quality, interference-free audio.

Key Features of QLX-D:

24-bit Digital Audio: The QLX-D system delivers 24-bit digital audio, offering clear, high-fidelity sound with a wide frequency response. The digital transmission ensures pristine audio quality, free from the noise and interference that can affect analogue systems.
Interchangeable Capsules: Compatible with popular Shure microphone capsules like the SM58, Beta 58A, Beta 87A, and KSM9. This gives users the flexibility to choose the right microphone for their application. The same capsules can also be interchanged with Shure’s SLX-D and ULX-D systems.
Boundary and Gooseneck compatible: The QLX-D series introduces compatibility with Boundary and Gooseneck microphones, ideal for corporate, government and discussion systems.
Efficient RF and Wider-Band Tuning: Operating in the UHF band, the QLX-D system provides exceptional RF efficiency and stability. It supports up to 72 MHz of tuning bandwidth, which allows for multiple channels to operate simultaneously without interference. This makes it ideal for environments with several wireless systems in use.
Encryption for Secure Transmission: The QLX-D includes AES 256-bit encryption, ensuring secure audio transmission. This is especially important in settings like corporate events, government functions, and any scenario where privacy and security are paramount.
Automatic Channel Scan and Frequency Coordination: The QLX-D features automatic frequency scanning to find the clearest available frequency and IR synchronization, making setup quick and straightforward. The system’s networked frequency coordination capabilities are particularly useful for managing multiple systems in complex RF environments.
Range up to 330ft (100 metres)
Shure Wireless Workbench and Network Integration: QLX-D is network-compatible, allowing it to integrate into an existing network for remote monitoring and control via Shure’s Wireless Workbench software or through third-party control systems. This feature is essential for larger events or installations where multiple wireless systems need to be monitored and managed from a single interface.
Battery Flexibility: The system supports both standard AA batteries and the optional Shure SB900B lithium-ion rechargeable battery. The rechargeable battery provides up to 10 hours of continuous use, and the system offers accurate battery life tracking, which can be monitored via the receiver or remotely over the network.
Compatible with SBRC Shure Battery Rack Charger that accommodates up to 8 SB900B battery packs from a single rack space and provides you with a visual charge status display, battery health and metrics, plus remote monitoring through Shure’s Wireless Workbench software.
Scalability and Versatility: The QLX-D system supports up to 17 simultaneous systems per 6 MHz TV channel and up to 22 systems per 8 MHz channel. This scalability makes it a good choice for medium-sized events and venues where multiple wireless microphones are required.
Transmitter Options: The QLX-D series includes handheld, bodypack, and combo systems.

QLX-D Applications

The Shure QLX-D is designed for professional users in settings that demand high audio quality, reliable RF performance, and secure transmission, such as:

Corporate presentations
Live music performances
Houses of worship
Education and theatre
QLX-D Conclusion

QLX-D Conclusion

The Shure QLX-D Wireless System offers a compelling blend of professional features, secure transmission, and RF flexibility at an affordable price. It is ideal for users who need the robust performance of a digital wireless system with the added benefit of easy setup and network integration, making it suitable for both small and mid-sized events or installations.

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Shure ULX-D Series

The Shure ULX-D Wireless System is a top-tier, professional digital wireless solution that offers uncompromising audio quality, robust RF performance, and advanced features tailored for large-scale applications. It’s designed for use in live performance, broadcast, corporate events, and houses of worship, where high channel counts, exceptional sound quality, and secure transmission are critical.

Key Features of ULX-D:

High-Density Mode: This is a key feature on ULX-D, designed to optimise spectrum efficiency by allowing more wireless channels to operate within a given frequency range. This feature is particularly beneficial in environments with limited RF spectrum, such as large-scale events, conferences, theatres, and urban metropolitan areas where multiple wireless systems are in use. How it works:
- Increased channel count: When activated, High-Density mode significantly reduces the bandwidth required per channel, allowing for up to 47 active channels per 6 MHz TV band, or 63 channels in an 8 MHz band. This is a huge increase compared to standard operation mode, which typically allowed fewer channels.
- Narrower Transmission: The system achieves this by lowering the transmit power and reducing the occupied bandwidth of each wireless microphone channel. This makes it possible to pack more channels closer together without causing interference, maximising spectrum efficiency.
- Optimised for Controlled Environments: Whilst high-density Mode increases the number of channels, it will only achieve a range of up to 30 metres, so it’s best suited for environments where wireless microphones don’t need to transmit over large distances.
High Channel Density and Scalability: ULX-D excels in environments with high channel demands, offering up to:
- 22 active transmitters in one 8 MHz TV channel (standard mode)
- 47 active transmitters in one 6 MHz TV channel (high-density mode), with no audio quality degradation.
- 63 active transmitters in one 8 MHz TV channel (high-density mode), with no audio quality degradation.
- Over 60 compatible channels on one frequency band.
24-bit/48 kHz Digital Audio: ULX-D delivers 24-bit/48 kHz digital audio, offering exceptionally clear and transparent sound with an extended frequency response. This results in high-definition audio quality with low latency and minimal distortion, making it ideal for professional settings that require pristine sound reproduction.
QUAD Receiver: An intelligent four-channel option that lets you connect up to 4x transmitters to one ULXD4Q Quad Receiver, minimising cabling and power requirements within your rack.
Secure and AES 256-bit Encrypted Audio Transmission: ULX-D includes AES 256-bit encryption, providing secure audio transmission. This is crucial for sensitive environments like government or corporate meetings where privacy is essential. The encrypted transmission ensures that the audio signal cannot be intercepted by unauthorized users.
Advanced RF Performance and Spectrum Efficiency: Operating in the UHF band, ULX-D offers advanced RF stability through true diversity reception and predictive error correction, minimizing signal dropouts and interference. The system uses frequency diversity, ensuring that even in congested RF environments, users can enjoy a clean, uninterrupted signal.
Rechargeable Power Solutions: ULX-D provides a highly efficient power solution with its Shure SB900B rechargeable batteries. These batteries offer up to 12 hours of continuous use and can be recharged either in the transmitter or in an external charging station. Additionally, they provide precise battery life tracking, reducing the risk of power failure during critical moments.
Compatible with SBRC Shure Battery Rack Charger that accommodates up to 8 SB900B battery packs from a single rack space and provides you with a visual charge status display, battery health and metrics, plus remote monitoring through Shure’s Wireless Workbench software. Purchase the SBRC plus 4x SBC-AX charging modules and with the SBRC 4-Bay Rack Charger X SBC-AX 2-Bay Charging Modules. This professional charging solution is available QLX-D (SB900B), U-LXD (SB900B) and Axient Digital.
Dante™ Network Integration and Control: The system integrates seamlessly with Shure’s Wireless Workbench software, allowing for centralized monitoring and control of multiple systems. This is ideal for large events where several wireless systems need to be managed simultaneously. ULX-D also supports Dante™ digital audio networking, enabling easy routing and control of digital audio signals over standard IP networks.
Frequency Diversity and Backup Channels: One of the standout features of ULX-D is its Frequency Diversity mode, which uses multiple frequencies for a single audio channel, ensuring consistent, uninterrupted performance even in environments with heavy interference.
Interchangeable Capsules: Compatible with Shure’s best microphone capsules, including the SM58, Beta 87A, KSM9, and others. This flexibility allows the ULX-D system to be customized for a variety of professional audio applications. These capsules are also compatible with the SLX-D and QLX-D systems, a helpful feature for hire production companies as you can use the same capsules across your inventory of different wireless mic systems.
Boundary and Gooseneck transmitters: Ideal for corporate, government and discussion systems.

Applications:

The ULX-D system is well-suited for demanding professional applications that require:
High channel counts in congested RF environments
Secure and encrypted audio transmission
Clear, high-fidelity sound for live performances, broadcast, and corporate events
Reliable and scalable wireless microphone setups

ULXD Conclusion

The Shure ULX-D Wireless System is a premium solution designed for high-stakes professional envirionments where audio quality, RF performance, scalability, and security are paramount. Its ability to handle large channel counts, paired with network control capabilities, makes it one of the most versatile and reliable digital wireless systems available for professional use.

Thank you very much for reading this blog post, we hope you found it useful. If you have any questions about Shure wireless microphone systems, please don’t hesitate to call us on 01525 850085 or email sales@leisuretec.co.uk.