Shure QLXD24/B58 Digital Wireless Handheld Microphone System with Beta 58A Capsule (G50: 470 to 534 MHz)

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Shure QLXD24/B58 Digital Wireless Handheld Microphone System with Beta 58A Capsule (G50: 470 to 534 MHz)


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DUNS #074303253

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Shure QLXD24/B58 Rackmount Digital Wireless Handheld Microphone System

The Shure QLXD24/B58 system is a comprehensive solution designed to meet the demands of performers, presenters, and broadcasters seeking professional-grade audio quality, reliable RF performance, and secure transmission. Here’s an overview of its key features and capabilities:

Professional Audio Quality and Secure Transmission

  • UHF Band Operation: The system operates in the UHF band, providing a reliable platform for transmitting pristine 24-bit/48 kHz digital audio with clarity, accurate low end, and crisp transient response.
  • Digital Predictive Switching Diversity: Utilizes advanced technology to protect the transmission from interference, ensuring solid RF signal stability without audio artifacts.
  • AES 256-bit Encryption: Offers secure transmission, safeguarding against unauthorized access and ensuring privacy.

Rugged and User-Friendly Design

  • QLXD2 Handheld Transmitter: Features a rugged, ergonomic design that is comfortable to hold and easy to operate. Equipped with a Beta 58A dynamic capsule with a supercardioid pickup pattern, ideal for speech and vocal performance.
  • Interchangeable Capsule Design: Allows for flexibility by accommodating various Shure capsules to suit different applications and preferences.
  • Backlit LCD: Provides essential information and fast menu access, even in low-light conditions. The transmitter can be locked out to prevent accidental changes during use.
  • Adjustable Input Sensitivity: Accommodates a wide range of speaking styles and microphone levels for optimal performance.

Robust Performance and Intelligent Hardware

  • Digital Switching Diversity Reception: Ensures reliable signal reception by dynamically switching antennas to prevent dropouts.
  • Automatic Frequency Scanning: Scans for and deploys the cleanest frequencies to transmitters via IR sync, simplifying setup and ensuring optimal performance.
  • Audio and RF Meters: Front-panel controls with LED meters allow for quick visual monitoring of audio and RF levels.
  • Ethernet Networking: Enables real-time monitoring, control, and automatic frequency coordination across multiple receivers using Shure’s Wireless Workbench software.

Smart Power Management Options

  • SB900A Lithium-Ion Battery: Provides extended transmitter battery life over alkaline batteries, with remaining battery life metering available on the receiver’s front panel.
  • Charging Options: The SB900A battery can be recharged using the SBC charger (sold separately), offering convenient and efficient power management.

Enhanced System Reliability and Expandability

  • Antenna Options: Adding UA874 active antennas or PA805 passive antennas increases system range and offers increased protection against interference.
  • Antenna Distribution System: The UA844+SWB antenna distribution system expands antenna pairs, allowing for more on-air channels in less setup time.
  • Variety of Microphone Options: Shure offers a range of bodypack transmitters and microphone options, including lavalier and headset microphones, to adapt the system to different performance needs and preferences.
PDF Documents
Microphone Type Handheld Capsule
Polar Pattern Supercardioid
Microphone Color Black
Frequency Response 50 Hz to 16 kHz
Output Impedance
Wireless Technology
Analog UHF
Number of RF Channel Frequencies
Included Transmitters
1x Handheld
Antenna Diversity
RF Frequency Band
G50: 470 to 534 MHz
RF Bandwidth
64 MHz
Frequency Step Size
25 kHz
Max Operating Range
330′ / 100.6 m
Max Transmitters per Band
Sample Rate/Resolution
48 kHz / 24-Bit
< 2.9 ms
Dynamic Range
120 dB
AES 256
Receiver Type
Mounting Options
Rackmount (with Included Hardware)
Rackmount Size
1 RU (1/2 Rack)
2x 1/2 Wave External, Detachable (Rear-Mount)
Number of Audio Channels
Audio I/O
1x XLR 3-Pin Male Balanced Output
1x 1/4″ TRS Female Balanced Output
Gain Range
-18 to +42 dB (1 dB Steps)
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
1x RJ45 (10/100 Mb/s)
Network Protocols
DHCP, Manual IP
XLR Output:
100 Ohms (Balanced)
1/4″ Output:
100 Ohms (Balanced)
1/4″ Output:
50 Ohms (Unbalanced)
Adjacent Channel Isolation
>70 dB
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
1x Backlit LCD (AF Level, Channel, Group, Menu Navigation, Metering, RF Level, Transmitter Battery Status)
1x LED (Sync)
1x LED (Peak)
Operating Temperature
0 to 122°F / -18 to 50°C
7.8 x 1.6 x 5.9″ / 197 x 41 x 151 mm (without Antennas)
1.7 lb / 777 g (without Antenna)
Transmitter Type
RF Output Power
1 / 10 mW
Audio I/O
Gain Range
0 to 21 dB (3 dB Steps)
Frequency Response
30 Hz to 20 kHz
Sync Method
1x 1/4 Wave
Power Requirements
Battery Type
2x AA (Included)
1x Shure SB900A (Not Included, Replaceable)
Approx. Battery Life
9 Hours (Alkaline)
Display & Indicators
1x Backlit LCD (Channel, Group, RF Output Power)
2 x 10.1″ / 51 x 256 mm
12.2 oz / 347 g (without Batteries)
Microphone Type
Handheld Capsule
Sound Field
Polar Pattern
Frequency Range
50 Hz to 16 kHz
-51.5 dBV/Pa
DUNS #074303253
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  9. Sales tax is charged only on orders shipping to the state of FL
Please email completed purchase orders to
You can also fax it to: 7869165963 or mail it Attn: Purchase Orders 1684 NE 205th Terrace North Miami Beach FL 33179
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