QLX-D delivers outstanding wireless functionality ideal for mid-size events and installations in businesses, hotels, and government offices with conferencing spaces; schools, houses of worship, and live performance spaces.

Featuring a BETA 87A handheld wireless microphone transmitter, QLXD24/B87A combines professional features with simplified setup and operation.

Includes BETA 87A, QLXD4, microphone clip, power supply, 2 AA batteries, battery contact cover, two 1/2 wave antennas, 2 BNC cables, zipper bag, 2 BNC bulkhead adapters, rackmount kit, and user guide


Shure QLXD2/BETA87A Handheld Wireless Transmitter (Freq: G50)


With an interchangeable BETA87A microphone cartridge, the QLXD2/BETA87A Handheld Wireless Microphone Transmitter is ideal for wireless vocals in presentation spaces, music venues, and houses of worship.

Note: When purchasing separate wireless components, please match their frequency bands to ensure proper system operation.


24-Bit digital audio quality

Incredibly efficient RF spectrum usage

Quick syncing with a wireless receiver over IR at the push of a button

Clear, uninterrupted signal over the entire operating range 

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

Optional Shure SB900 lithium ion rechargeable battery 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

Rugged metal construction

Frequency and power lockout


Radio Frequency Range 20 Hz–20 kHz

Rechargeable components? Yes

Battery Requirements 2 AA alkaline batteries or SB900 Lithium-Ion Rechargeable Battery

Battery Life Shure SB900: Up to 10 hours, Alkaline: Up to 9 hours

Typical Operating Distance 100 m (330 ft) line of sight


Shure QLXD4 Digital Wireless Receiver (Freq: G50)


Half-rack QLXD4 Digital Wireless Receiver quickly finds open frequencies and deploys them to transmitters via the one-touch sync function.

Works with QLX-D™ Digital Wireless Systems

With transparent 24-bit digital audio quality and incredibly efficient RF spectrum usage, the QLXD4 Digital Wireless Receiver combines professional features with streamlined setup and operation. 
Automatic scanning quickly finds open frequencies, and one-touch IR sync quickly deploys them to transmitters. 
Ethernet networking enables networked channel scanning across multiple receivers and Wireless Workbench® software integration for remote control of receiver settings from a PC or Mac. Remote monitoring and control from iOS devices also is available via the ShurePlus™ Channels Mobile App.

Includes QLXD4, hardware for rack-mounting, power supply, two 1/2 wave antennas, 2 BNC cables, 2 BNC bulkhead Adapters, and user guide



64 MHz tuning bandwidth (region dependent)

More than 60 preset compatible channels per frequency band (region dependent)

Up to 17 compatible systems per 6 MHz TV channel; 22 systems per 8 MHz channel

Digital predictive switching diversity ensures solid RF connection

AES 256-bit encryption for secure wireless transmission

Up to 60 dB of adjustable audio gain

High-contrast LCD menu and controls with lockout feature

Audio and RF LED meters with peak indicator

Detachable ½ wave antennas

Mic / line switchable XLR output

¼" Instrument output

Durable aluminum construction with brushed finish