Shure QLXD2/N8C K51

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Shure QLXD2/N8C K51

Shure

QLXD2/N8C K51

4.7 Expert Rating

Product Info

Article Number: 599120
Brand: Shure
Model: QLXD2/N8C K51
Category: Transmitters
Price: $657.80

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

The QLXD2/N8C K51 is a seriously dependable wireless system. It's built like a tank, sounds clear and focused thanks to the Nexadyne capsule, and the encryption is a nice touch for stage security. This is a great choice for working musicians and presenters needing a reliable, professional wireless solution.

Product Description

  • Shure QLXD2/N8C K51
  • Digital UHF handheld transmitter
  • Polar pattern: Cardioid
  • 24 Bit / 48 kHz audio signal
  • Dynamic range: 120 dB
  • 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
  • Metal handheld transmitter with dynamic Nexadyne 8/C microphone capsule
  • Frequency transmission via infrared interface
  • Transmitter operation with 1.5V AA batteries
  • optionally also with SB 900 lithium-ion battery (not included)
  • Frequency band K51: 606-670 MHz
  • Includes bag and microphone holder
PROS
  • • Robust metal build feels incredibly solid and roadworthy.
  • • Nexadyne 8/C capsule delivers a focused, controlled vocal presence.
  • • AES-256 encryption provides excellent security against interference.
  • • Wide 72 MHz bandwidth offers ample channel flexibility in crowded RF environments.
CONS
  • • The transmitter body can feel a bit bulky for extended use.
  • • SB 900 battery is an additional expense; AA's are a temporary fix.
  • • Limited capsule options restrict tonal versatility compared to some other systems.

Product Video

Key Features

Type Digital UHF Handheld Transmitter
Frequency Band 606-670 MHz (K51)
Channels 22 Compatible Channels
Power Switchable: 1/10 mW
Battery Life Up to 8 hours with AA batteries (varies by power setting)
Connector Infrared Interface

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Frequently Asked Questions

The transmitter and receiver pair automatically when the infrared window on the transmitter is pointed at the receiver for a few seconds – simple and reliable.
Yes, the capsule is replaceable, but Shure's capsule selection for this system is limited, primarily focusing on vocal applications.
AES-256 prevents unauthorized access and eavesdropping; it doesn't directly block RF interference from other systems, but the wide bandwidth helps mitigate that.

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