Shure QLXD2/SM87 Digital Handheld Wireless Microphone Transmitter with SM87A Capsule (X52: 902 to 928 MHz)

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Shure QLXD2/SM87 Digital Handheld Wireless Microphone Transmitter with SM87A Capsule (X52: 902 to 928 MHz)


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DUNS #074303253

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Shure QLXD2/SM87 Digital Handheld Wireless Microphone Transmitter


The Shure QLXD2/SM87 is a digital handheld wireless microphone transmitter designed for seamless integration with QLX-D receivers. Featuring the SM87A supercardioid condenser capsule, it delivers high-quality audio performance and is built to withstand high sound pressure levels, making it ideal for vocal performers and presenters. Its supercardioid polar pattern effectively rejects off-axis background noise, significantly reducing feedback.

Key Features

Superior Audio Quality

  • Smooth Frequency Response: The SM87A capsule provides a remarkably smooth frequency response with a gradual presence rise and controlled proximity effect tailored for vocals.
  • High SPL Handling: Capable of handling sound pressure levels up to 140 dB without distortion.
  • Noise Rejection: The supercardioid polar pattern minimizes background noise and reduces feedback.

Extensive Tuning Range and Long Battery Life

  • Tuning Range: Operates on a 26 MHz UHF tuning range with 1040 selectable frequencies, offering flexibility and reliability in various environments.
  • Battery Life: Provides up to 9 hours of continuous operation using two AA batteries.
  • Transmission Range: Capable of transmitting up to 330 feet, ensuring ample coverage for most venues.
  • RF Power Output: Features selectable 1/10mW RF power output to optimize the transmitter’s range and the number of microphones that can operate simultaneously.

Rugged and Secure Design

  • Durability: Constructed with a rugged yet lightweight aluminum housing for durability and ease of handling.
  • Secure Transmission: Utilizes AES 256-bit encryption to ensure secure and interference-free transmission.
  • Versatility: Ideal for medium-sized venues, houses of worship, conferences, educational, and corporate facilities.

Clear, Accurate Audio with Interchangeable Capsule

  • Digital Audio: Delivers clear, reliable 24-bit/48 kHz digital audio for professional-grade sound quality.
  • Interchangeable Capsule: Allows for easy replacement with other Shure capsules, including SM58, KSM8, SM86, Beta 58A, Beta 87C, KSM9, and more, to suit various applications.

User-Friendly Features

  • Easy Syncing: Quickly syncs with a wireless receiver via infrared at the touch of a button for fast and simple setup.
  • Input Sensitivity: Adjustable input sensitivity to accommodate different vocal levels, from booming voices to quiet speech.
  • Lockout Functions: Frequency and power lockout functions prevent accidental or unauthorized changes during use.
  • LCD Display: A backlit LCD with an intuitive menu allows easy access to settings such as frequency, group, channel, mute, lock status, and RF output.
  • Selectable RF Output Power: Enables customization of the transmitter’s range and the number of mics in use simultaneously.

Convenient Power Management Options

  • Battery Options: Operates for up to 9 hours on two AA batteries, with the option to use the Shure SB900A lithium-ion rechargeable battery pack for over 10 hours of battery life.
  • Charging Options: External charging contacts for docked battery charging with the SBC200 dual-docking charger (available separately).
  • Remote Monitoring: The networkable SBC220 charger (available separately) allows for remote power monitoring via Shure’s Wireless Workbench software.
PDF Documents
Microphone Type Handheld Capsule
Polar Pattern Supercardioid
Microphone Color Black
Frequency Response 50 Hz to 20 kHz
Output Impedance
RF Frequency Band
X52: 902 to 928 MHz
RF Bandwidth
26 MHz
Frequency Step Size
25 kHz
RF Channel Scanning
Max Operating Range
330′ / 100.6 m
Sample Rate/Resolution
48 kHz / 24-Bit
< 2.9 ms
AES 256
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 20 kHz
Maximum SPL
140.5 dB SPL
-52.5 dBV/Pa
Dynamic Range
116.5 dB
DUNS #074303253
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