Shure QLXD2/Beta87c K51

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Shure QLXD2/Beta87c K51

Shure

QLXD2/Beta87c K51

4.6 Expert Rating

Product Info

Article Number: 403566
Brand: Shure
Model: QLXD2/Beta87c K51
Category: Transmitters
Price: $702.90

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

This QLXD2/Beta87c is a solid, reliable wireless system perfect for vocalists needing a professional, tap-proof solution. The Beta87c capsule delivers a familiar, flattering tone, and the digital transmission provides clean, clear audio – it’s a great choice for live performance and broadcast applications where security and quality are paramount.

Product Description

  • Shure QLXD2/Beta87c K51
  • Digital Radio System
  • Digital UHF handheld transmitter with capacitor Beta87c capsule
  • 24bit/48 KHz Audio signal
  • AES-256 Encryption for tap-proof 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
  • Metal handheld transmitter with dynamic Beta87c microphone capsule
  • Characteristic: Kidney
  • Frequency transmission via infrared interface
  • Frequency band: K51 (606 - 670 MHz)
  • Transmitter operation with 1.5 V AA batteries - optionally also with SB 900 lithium ion rechargeable battery
  • Includes bag and microphone holder
PROS
  • • Robust metal build inspires confidence on stage or in studio.
  • • Beta87c capsule delivers Shure's signature vocal clarity and warmth.
  • • AES-256 encryption provides a secure, interference-free signal.
  • • Wide 72 MHz bandwidth accommodates numerous channels in congested RF environments.
CONS
  • • The transmitter body can feel a little bulky and front-heavy for extended use.
  • • Battery life is decent but using rechargeable batteries is highly recommended.
  • • Limited frequency band flexibility compared to some more expansive wireless systems.

Product Video

Key Features

Type Digital UHF Handheld Transmitter
Frequency Band K51 (606 - 670 MHz)
Channels 22
Power 1/10 mW Switchable
Battery Life Approximately 6 hours with AA batteries
Connector Infrared Interface

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Frequently Asked Questions

The infrared interface requires line-of-sight between the transmitter and receiver for pairing and frequency synchronization, a simple process but requiring proximity.
Yes, the capsule is user-replaceable, allowing for easy repair or swapping to different Shure capsules for tonal variations.
While AES-256 provides a very high level of security, no system is 100% immune, but it offers a significant advantage against casual interference and unauthorized access.

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