Shure QLXD2/Beta87a K51

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Shure QLXD2/Beta87a K51

Shure

QLXD2/Beta87a K51

4.9 Expert Rating

Product Info

Article Number: 370395
Brand: Shure
Model: QLXD2/Beta87a K51
Category: Transmitters
Price: $746.90

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

This QLXD2/Beta87a K51 is a serious workhorse for vocalists and performers needing reliable wireless. The Beta87a delivers that classic, present vocal tone, and the digital transmission is clean and secure – perfect for demanding live sound situations or broadcast environments where interference is a concern. It's a premium-priced system, but the performance and reliability justify the investment.

Product Description

  • Shure QLXD2/Beta87a K51
  • Digital UHF Handheld Transmitter with Capacitor Beta87a Capsule
  • Frequency band: K51 (606-670 MHz)
  • 24 Bit / 48 kHz audio signal
  • AES-256 Encryption for secure transmission
  • Up to 72 MHz bandwidth
  • 22 Compatible channels in an 8 MHz TV band
  • Switchable transmitting power: 1/10 mW
  • 120 dB dynamic range
  • Metal handheld transmitter with condenser microphone capsule Beta87a
  • Directivity: Super-cardioid
  • Frequency transmission over infra red interface
  • Transmitter operates with 1.5 V AA batteries - also available with SB 900 lithium ion battery
  • Incl. bag and microphone clip
PROS
  • • Robust metal build feels exceptionally durable for stage use
  • • Beta87a capsule delivers Shure's signature warmth and clarity
  • • AES-256 encryption provides a high level of transmission security
  • • Infrared syncing simplifies frequency management and avoids interference
CONS
  • • The transmitter body can feel a bit bulky and heavy after extended use
  • • The K51 band availability varies significantly by geographic region
  • • AA battery operation can be inconvenient compared to rechargeable options

Product Video

Key Features

Type Digital UHF Handheld Transmitter
Frequency Band K51 (606-670 MHz)
Channels 22
Power 1/10 mW
Battery Life Approximately 8 hours with AA batteries, longer with SB900
Connector Infrared Interface

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Frequently Asked Questions

The transmitter and receiver sync wirelessly via infrared – simply point the transmitter at the receiver. It's incredibly reliable, but requires a clear line of sight during initial setup.
120 dB provides ample headroom to handle extremely loud sources like drums or brass sections without distortion; it's a testament to the system's clean signal path.
Availability of the K51 band is dependent on your location's regulatory environment; check with local authorities or Shure's website to confirm compatibility in your region.

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