Shure QLXD1 K51

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Shure QLXD1 K51

Shure

QLXD1 K51

5 Expert Rating

Product Info

Article Number: 370414
Brand: Shure
Model: QLXD1 K51
Category: Transmitters
Price: $537.90

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

This little Shure is a workhorse for presenters, vocalists, and instrumentalists needing reliable wireless. The digital clarity is fantastic, and the encryption is a real peace-of-mind feature. It’s a premium-priced option, but the build quality and performance justify the investment for serious users.

Product Description

  • Shure QLXD1 K51
  • Digital UHF Pocket Transmitter
  • Frequency band K51 (606 - 670 MHz)
  • 24 bit / 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 casing with 4-pin TQG connection
  • Transmitter operation with 1.5 V AA batteries - optionally also with SB 900 lithium ion rechargeable battery
PROS
  • • Robust metal casing offers excellent durability on stage.
  • • AES-256 encryption provides a high level of secure transmission.
  • • Wide 72 MHz bandwidth minimizes interference in crowded RF environments.
  • • TQG connector ensures a reliable, secure connection with Shure receivers.
CONS
  • • Limited power options restrict operation time compared to some systems.
  • • Frequency band K51 availability varies significantly by region.
  • • The pocket form factor can be awkward for some performers.

Product Video

Key Features

Type Digital UHF Pocket Transmitter
Frequency Band 606 - 670 MHz
Channels 22
Power 1/10 mW
Battery Life Approximately 8 hours with AA, longer with SB900
Connector 4-Pin TQG

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Frequently Asked Questions

It’s top-tier; most other systems use less robust encryption, making the QLXD1 K51 significantly more secure against unauthorized interception.
Expect around 50-75 feet in a typical environment; walls and interference will reduce that considerably, so consider the SB900 for extended use.
Yes, TQG is Shure's proprietary connector; adapters exist, but they're not widely available and can impact signal integrity.

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