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  4. Shure QLXD24/SM87-K51 Handheld Wireless Microphone System
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Shure QLXD24/SM87-K51 Handheld Wireless Microphone System

Product Code: 705403

This system is available as QLXD24/SM87. It contains a QLXD2 handheld transmitter with SM87 microphone head and a QLXD4 receiver.

£1,390.00 (INC VAT)
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  • Description
  • Specifications
  • Reviews

Shure QLXD24/SM87-K51 Handheld Wireless Microphone System




  • Available Transmitter Form factors: Handheld
  • Operating range (up to): 100 m (Under typical conditions)


QLXD4 Digital Wireless Receiver


  • Automatic Channel Scan quickly finds clear frequencies; Networked Channel Scan then shares open frequencies between multiple receivers over Ethernet, with one touch syncing
  • Digital Predictive Switching Diversity ensures a stable RF connection
  • Highly efficient RF spectrum usage – up to 22 transmitters per 8 MHz channel
  • Secure AES 256 bit encryption of all wireless transmissions
  • Shure Wireless Workbench® software allows remote control from PC or Mac
  • ShurePlus™ Channels mobile app allows remote control from iOS devices
  • Half rack format with detachable ½ wave antennas
  • Up to 60 dB of adjustable audio gain
  • Up to 72 MHz tuning bandwidth (region dependent)
  • More than 60 pre set compatible channels per frequency band (region dependent)
  • High contrast LCD menu and controls with lockout feature, plus Audio and RF LED meters with peak indicator
  • Mic / line switchable XLR output, and 6.3 mm instrument output
  • Durable aluminium construction with brushed finish


SM87A with QLXD2 Handheld Transmitter


  • 20 Hz to 20 kHz frequency range with flat response (actual response is microphone dependent)
  • Interchangeable Shure microphone capsules, including the legendary SM58®
  • AES 256-bit encryption for secure transmission
  • Over 120 dB of dynamic range – no transmitter gain adjustment needed
  • 1, 10 mW selectable RF output power
  • Up to 9 hours continuous use with 2 x AA alkaline batteries
  • Optional Shure SB900 lithium ion rechargeable battery provides up to 10 hours of continuous use and reports remaining runtime in hours and minutes
  • External charging contacts for docked charging
  • Backlit LCD with easy to navigate menu and controls
  • Selectable display mode showing group/channel, frequency, or battery runtime
  • 100 meter (330 ft.) line-of-sight operating range
  • Rugged metal construction
  • Frequency and power lockout

QLXD24/SM87 Specifications


  • * Set Type: Vocal
  • * Amount of Handhelds: 1


QLXD4 Specifications


  • * Power requirements 12 V DC @ 0.4 A, supplied by external power supply (tip positive)
  • * RF Input
    • * Spurious Rejection >80 dB, typical
    • * Connector Type BNC
    • * Impedance 50 Ω
  • * Audio Output
    • * Gain Adjustment Range -18 to +42 dB in 1 dB steps
    • * Configuration 1/4" (6.35 mm): Impedance balanced (Tip=audio, Ring=no audio, Sleeve=ground)
    • * XLR: Balanced (1=ground, 2=audio +, 3=audio −)
    • * Impedance 1/4" (6.35 mm): 100 Ω (50 Ω Unbalanced) XLR: 100 Ω
    • * Full Scale Output 1/4" (6.35 mm): +12 dBV
    • * XLR: LINE setting= +18 dBV, MIC setting= −12 dBV
    • * Mic/Line Switch 30 dB pad
    • * Phantom Power Protection 1/4" (6.35 mm): Yes XLR: Yes
  • * Networking
    • * Network Interface Single Port Ethernet 10/100 Mbps
    • * Network Addressing Capability DHCP or Manual IP address
    • * Maximum Ethernet Cable Length 100 m (328 ft)
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