Shure QLXD2/SM87 G51

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Shure QLXD2/SM87 G51

Shure

QLXD2/SM87 G51

4.4 Expert Rating

Product Info

Article Number: 575635
Brand: Shure
Model: QLXD2/SM87 G51
Category: Transmitters
Price: $702.90

* Prices may vary. Check retailer for current pricing and availability.

This Shure QLXD2/SM87 combo is a powerhouse for vocalists needing reliable, high-quality wireless. The SM87's warmth and clarity paired with the QLXD2's rock-solid digital transmission makes it ideal for demanding live performance environments – think lead singers in touring bands or presenters needing pristine audio.

Product Description

  • Shure QLXD2/SM87 G51
  • Digital UHF Handheld Transmitter
  • With SM87 condenser capsule
  • Audio signal: 24 Bit / 48 kHz
  • AES-256 encryption for uninterceptable transmission
  • Up to 72 MHz switching bandwidth
  • 22 Compatible channels in an 8 MHz TV band
  • Switchable transmission power: 1/10 mW
  • 120 dB Dynamic range
  • Polar pattern: Super-cardioid
  • Frequency transmission via infrared interface
  • Transmitter operation with 1.5 V AA batteries - optionally also with SB 900A lithium-ion battery pack
  • Frequency band: G51 (470 - 534 MHz)
  • Includes microphone stand holder and storage bag
PROS
  • • SM87 capsule delivers Shure's signature, robust vocal clarity.
  • • AES-256 encryption provides serious stage security against interference.
  • • QLXD2's infrared syncing simplifies channel management and setup.
  • • Solid build quality; feels like a professional-grade, reliable tool.
CONS
  • • The SM87's supercardioid pattern demands precise mic technique.
  • • Relatively premium-priced, a significant investment for most performers.
  • • Battery life can be a limiting factor with standard AA cells.

Product Video

Key Features

Type Digital UHF Handheld Transmitter
Frequency Band G51 (470 - 534 MHz)
Channels 22 Compatible Channels
Power Switchable: 1/10 mW
Battery Life Approximately 8 hours with AA batteries; longer with SB 900A Lithium-ion pack
Connector Infrared Interface (for syncing)

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Frequently Asked Questions

Infrared syncing is faster and less prone to interference, making channel setup significantly easier and more reliable, especially in congested RF environments.
Yes, the SM87 capsule is replaceable, though it's a specialized part. While technically interchangeable with other SM87 capsules, compatibility with other Shure capsules is not guaranteed.
With the lowest power setting, expect a usable range of around 60-80 feet, but this is heavily dependent on the environment and potential RF interference.

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