Shure QLXD24/B87A Digital Wireless Handheld Microphone System with Beta 87A Capsule (J50A: 572 to 608 + 614 to 616 MHz)

The Shure QLXD24/B87A rackmount digital wireless handheld microphone system provides performers, 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 sound-reinforcement applications in medium-sized venues and houses of worship as well as A/V installations in conference, educational, and corporate facilities.

Key Features

Superior Audio Quality and RF Performance

• UHF Band Operation: The system transmits clear, high-fidelity 24-bit/48 kHz digital audio with accurate low end and crisp transient response.


• Digital Predictive Switching Diversity: This technology protects the transmission from interference, ensuring stable RF signal without audio artifacts.


• AES 256-bit Encryption: Provides secure transmission, preventing unauthorized access and ensuring privacy.


• Multiple Channels: Supports up to 60 mic channels operating simultaneously in the same location.

QLXD2 Handheld Transmitter with Beta 87A Capsule

• Interchangeable Capsule Design: The QLXD2 transmitter features a Beta 87A condenser capsule with a supercardioid pickup pattern that isolates the voice from background noise and reduces feedback on loud stages.


• High SPL Handling: The Beta 87A capsule handles sound pressure levels up to 140 dB, offering a smooth frequency response with a gradual presence rise and controlled proximity effect tailored for vocals.


• Ergonomic and Lightweight: The transmitter is designed for comfort and ease of use, with a backlit LCD for fast menu access and essential information display.


• Adjustable Input Sensitivity: Accommodates various speaking styles and microphone levels, syncing to the receiver via infrared with a quick press of the Sync button.


• Interchangeable Capsules: Supports a variety of optional Shure capsules, including Beta 58A, SM58, SM86, SM87A, KSM8, and KSM9, for customized applications.

Reliable Receiver Performance

• Comprehensive Controls and Displays: 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 allow for easy adjustments.


• Automatic Frequency Scanning: Finds and deploys the cleanest frequencies automatically, with IR sync for quick transmitter setup.


• Internal Limiting: Prevents clipping to ensure high-quality audio output.


• Ethernet Networking: Simplifies frequency coordination and deployment via Shure's Wireless Workbench (WWB) software, with real-time monitoring and control.


• External Controller Compatibility: Works with AMX and Creston systems for enhanced integration options.

Smart Power Management

• Long Battery Life: The transmitter operates up to 9 hours on two AA batteries. The optional SB900A lithium-ion rechargeable battery provides extended life and precision metering in hours and minutes.


• Convenient Charging: The SB900A battery can be recharged using the SBC charger (sold separately), offering efficient power management.

Enhanced System Reliability

• Antenna Options: Adding UA874 active antennas or PA805 passive antennas increases range and protection against interference.


• Antenna Distribution System: The UA844+SWB system expands the capabilities of your antenna pairs, allowing for more on-air channels with less setup time.


• Expandable Microphone Options: Shure offers a bodypack transmitter with various lavalier and headset microphones to adapt the system as your needs evolve. Options include:
  
  
  
  • Lavalier Mics: WL183 (omnidirectional), WL185 (cardioid), and WL184 (supercardioid) for hands-free presentations.
  
  
  • Miniature Mics: WL93 and MX150, easy to conceal for low-profile use.
  
  
  • Earset Mic: MX153 subminiature earset for exceptional clarity in spoken word applications.
  
  
  • Headset Mic: PGA31, durable and comfortable for active performance.
  
  
  
  

Technical Specifications

• Frequency Range: J50A: 572 to 608 + 614 to 616 MHz UHF band with a 44 MHz tuning range and 1760 selectable frequencies.


• Latency: Low latency makes the system ideal for live sound reinforcement.


• Antennas: Two detachable 1/2 wave dipole antennas included.


• Encryption: 256-bit AES encryption for secure transmission.


• Gain Control: Up to 60 dB of adjustable gain with an internal limiter.


• Remote Control: ShurePlus Channels Mobile App for iOS devices allows adjustments from anywhere in the venue.