Shure QLXD4 H51
Professional music gear - detailed information and where to buy
This QLXD4 H51 is a solid, reliable wireless receiver for demanding live sound applications – think corporate events, theatrical productions, or any situation needing a secure, high-quality audio link. Shure’s build quality is evident, and the digital clarity is excellent; it's a step up from consumer-grade systems and offers professional-level performance.
Product Description
- Shure QLXD4 H51
- Digital UHF Receiver
- Frequency band: H51: 534 - 598 MHz
- 24 Bit / 48 kHz Audio signal
- AES-256
- Up to 72 MHz bandwidth
- 22 compatible channels in an 8 MHz TV band
- 5" Case
- Detachable BNC antennas
- Ethernet connection for monitoring and configuration of the system
- Frequency transmission over infrared interface
- XLR / Jack output
- Including PS23 power adapter
- rack mount
- antennas and frontal antenna mounting set
PROS
- • Robust, all-metal construction feels exceptionally durable for stage use
- • AES-256 encryption provides secure, interference-free transmission
- • Wide 72 MHz bandwidth allows for flexible channel allocation and scalability
- • Infrared sync simplifies pairing and eliminates error-prone manual adjustments
CONS
- • The receiver's size (9.5 in) can be cumbersome in tight spaces
- • Limited frequency band (H51) may require careful coordination in congested areas
- • The system's price places it in a premium-priced category for many users
Product Video
Key Features
Frequency Band
534 - 598 MHz (H51)
Channels
22 compatible channels
Diversity
True Diversity (not explicitly stated, but inherent in Shure's design)
Outputs
XLR, 1/4 in Jack
Antenna Type
Detachable BNC
Rack Mountable
Yes
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Frequently Asked Questions
Infrared sync is significantly faster and more accurate, eliminating the potential for errors when pairing transmitters and receivers.
Typical range is around 150-200 ft, but obstructions and interference can reduce this significantly; line of sight is key.
It's mainly for system monitoring, configuration, and potential integration with external control systems – not for transmitting the audio signal itself.
