Wireless Micrrophone

The Shure QLXD2 BETA 87A K51 is a wireless handheld microphone designed to work with the ULXD4 receiver, it provides superior quality pickup and transmits the digital signal over a range of 100 meters. With its optional rechargeable battery offering up to 10 hours of autonomy and advanced automatic gain management technology, it ensures optimal transmission and intuitive use during live performances. .

ARTICLE N° 96252
  • Shure QLXD2 BETA87A K51
  • Wireless microphone for QLX-D wireless transmission system
  • K51 carrier frequency band (606 / 670 MHz)
  • Fast frequency scanner
  • Interference detection and alerts
  • Frequency and power lock
  • 256-bit AES encrypted signal
  • Backlit LCD display
  • Rugged die-cast aluminum housing
  • Battery life: 9 hours with 2 LR6 batteries (included)
  • Battery life: 10 hours with rechargeable lithium-ion battery (SB900A optional)
  • Contacts for charging on docking station (SBC200/SBC220 sold separately)
  • Management by PC or Mac with Wireless Workbench 6 software
  • Remote monitoring with ShurePlus™ iOS application
  • Switchable transmission power: 1 and 10 mW
  • System audio frequency response: 20 Hz to 20 kHz
  • Dynamic range: 120 dB
  • Latency: 2.9 ms
  • A/D and D/A conversion: 24 bits / 48 kHz
  • Synchronization by IR link
  • Compatible with the Shure QLXD4 receiver
  • Up to 72 MHz of HF bandwidth
  • Up to 67 systems simultaneously per band
  • SM87 capsule
  • Directivity: Supercardioid
  • Capsule: Condenser
  • Frequency response: 50 Hz - 20 kHz
  • Output impedance: 150 Ω
  • Sensitivity: −52.5 dBV/Pa (2 mV)
  • Enameled cast steel body
  • Reinforced shockproof grille
  • Internal pop filter
  • Accessories included: clip microphone + carrying pouch
  • Dimensions: 256 x Ø51 mm
  • Weight: 347g
The QLXD2 BETA 87A K51 is a reflection of Shure expertise, this wireless handheld microphone delivers impeccable audio quality and transmits it to the receiver via the K51 frequency band (606 to 670 MHz).
Its rechargeable Shure SB900A battery, sold separately, offers an impressive 10 hours of battery life and can be easily recharged with the SBC200 or SBC220 chargers, practical and efficient.

With Shure Gain Ranging technology, this microphone automatically adjusts the gain, ensuring optimal transmission to the receiver without the need for manual adjustments from the transmitter during live performances.
Its robust die-cast aluminum housing and its frequency and power lock function ensure unmatched stability, while the backlit LCD screen simplifies intuitive use on stage.

Equipped with the Shure BETA 87A capsule with supercardioid polar pattern, this microphone is perfectly suited to demanding acoustic environments, minimizing handling noise thanks to its silentbloc mounting system and reducing breath noise with an anti-pop filter.
The slight attenuation of the bass adds remarkable clarity in the high frequencies, particularly beneficial for female vocals, this microphone offers precise and complete audio capture in the image of the quality of Shure microphones.

This wireless microphone embodies the highest standards of reliability and innovation for audio professionals, meeting the modern demands of live performances and professional audio applications.
Transmission technology
 Digital
Component(s)
 Hand transmitter + capsule
Capsule type
 Capacitor
Directivity
 Supercardioid
RF power
 10 mW
Selectable frequency
 Yes
Charging system
 Yes (sold separately)
Power supply
 Rechargeable battery, Battery(ies)
Carrier frequencies
 UHF (470 ⭢ 694 MHz)
Weight
 350 g
Accessories included
 Clip, Carrying Bag
Frequency response
 50 Hz – 200 kHz

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