
QLX-D™ Digital Wireless Systems
SHURE PROFESSIONAL TECHNOLOGY
IN AN EASY-TO-USE SOLUTION
Transparent 24-bit digital audio.
Incredibly efficient wireless.
Powerful networking.
Rugged, secure systems.
Shure QLX-D™ Digital Wireless is the clear choice for exceptionally detailed
wireless audio in widely diverse and demanding environments. A highly
flexible system featuring streamlined setup and operation, QLX-D boasts
impressive RF efficiency to get more channels on air using less spectrum,
while the rugged all-metal construction withstands the rigors of constant use.
From corporate seminars to music clubs, classroom lectures to houses of
worship, Shure QLX-D Digital Wireless has it covered – delivering confident
performance, no matter what the venue.

System Components
QLXD1 Bodypack Transmitter
QLXD2 Handheld Transmitter
– Rugged metal construction
– Backlit LCD with easy to navigate
menu and controls
– 2 x AA batteries provide up to
9 hours of runtime
– Optional Shure SB900A lithium-ion
rechargeable battery provides up to
10 hours of runtime
– Displays remaining battery life
in hours and minutes when
Shure SB900A is used
– Switchable RF power (1,10mW)
– External charging contacts for
docked charging
– Multiple microphone cartridges available,
including the legendary SM58
®
(QLXD2)
QLXD4 Receiver
– Transparent, 24-bit digital audio
– 20 Hz – 20 kHz frequency range*
– 120 dB dynamic range
– No transmitter gain adjustment needed
– Up to 72 MHz overall tuning
bandwidth**
– 22 compatible channels per
8 MHz TV channel
– Up to 168 compatible channels per
frequency band**
– AES 256-bit encryption
– Ethernet networkable receivers
– Automatic channel scan quickly and
easily fi nds a new frequency
– Network Scan fi nds clean frequencies
for networked receivers
– IR Sync
– AMX/Crestron
– ShurePlus
compatible
– Wireless Workbench
software compatible
– Displays remaining battery life
in hours and minutes when
Shure SB900A is used
– Compatible with ULXD6 Boundary
Transmitter and ULXD8 Gooseneck
Transmitter
*Microphone dependent **Region dependent
Crestron® is a registered trademark of Crestron Electronics, Inc.
®
control system ready
™
Channels mobile app
®
control
Systems available with:
Handheld
Interchangeable SM, Beta, and KSM
microphone cartridges
SM58
®
Beta® 58A
SM86
KSM8
SM87A
KSM9
Beta® 87A
®
87C
Beta
Lavalier
Miniature and subminiature
lavalier condenser microphones
WL93 Miniature Lavalier
MX150 MicroFlex® Subminiature Lavalier
WL183/WL184/WL185
®
MicroFlex
Lavalier
Headset
Comfortable over-the-ear design
MX153B MicroFlex® Headset Microphone
MX153T MicroFlex
SM35 Headset Microphone
®
Headset Microphone
Instrument
Microphone and cable options for
instrument and line input
WA305 Premium Instrument Cable
WB98H/C Clip-On Instrument Microphone

QLX-D Digital Wireless Specifi cations (Note: All specifi c ations are subject to chang e.)
System
QLXD4 Receiver
RF Carrier Frequency Range 174 - 216 MHz, 470 - 865 MHz, 1492 - 1525 MHz, 1785 - 1805 MHz,
varies by region
Image Rejection >70 dB, typical
Latency <2.9 ms
RF Sensitivity -97 dBm at 10-5 BER
Working Range 100 m line-of-sight
Note: Actual range depends on RF signal absorption, refl ection and interference.
Audio Frequency Range 20 Hz to 20 kHz Note: Dependent on mi crophone type.
Audio Dynamic Range >120 dB, A-weighted, typical
(System Gain @ +10)
Total Harmonic Distortion <0.1%
(−12 dBFS input, System Gain @ +10)
Operating Temperature Range -18°C to 50°C Note: Battery characteristics may limit this range.
Dimensions 41 mm x 197 mm x 151 mm
Weight 777 g, without antennas
Housing Steel
Power Requirements 12 V DC @ 0.4 A, supplied by external power supply (tip positive)
Spurious Rejection > 80 dB, typical
Antenna Connector Type BNC
Antenna Impedance 50 Ω
Gain Adjustment Range -18 to +42 dB (in 1 dB steps)
Confi guration ¼" (6.35 mm): Impedance balanced (Tip = audio, Ring = no audio,
Sleeve = ground ) XLR: balanced (1= ground, 2 = audio +, 3 = audio −)
Antenna Impedance ¼" (6.35 mm): 100 Ω (50 Ω Unbalanced)
XLR: 100 Ω
Full Scale Output ¼" (6.35 mm): +12 dBV
XLR: LINE setting = +18 dBV, MIC setting = -12 dBV
Mic/Line Switch 30 dB pad
Network Interface Single Port Ethernet 10/100 Mbps
Network Addressing Capability DHCP or Manual IP address
QLXD1 Bodypack Transmitter
QLXD2 Handheld Transmitter
Dimensions QLXD1: 86 mm x 65 mm x 23 mm without antenna
QLXD2: 256 mm x 51 mm L x Dia. Note: Final dimensions depend on cartridge.
Weight QLXD1: 138 g, without bat teries
QLXD2: 3 47 g, without batteries Note: Final weight depends on cartridge.
Housing QLXD1: Cast aluminum
QLXD2: Machined aluminum
Battery Type Shure SB900A Rechargeable Li-Ion or AA bat teries 1.5 V
Battery Runtime (@ 10 mW) Shure SB900A rechargeable: up to 10 hours
alkaline: up to 9 hours
RF Output Power 1 mW or 10 mW
Occupied Bandwidth < 200 kHz
Modulation Type Shure proprietary digital
Mic Offset Range 0 to 21 dB (in 3 dB steps)
Europe, Middle East, Africa:
Shure Europe GmbH
Jakob-Dieffenbacher-Str. 12,
75031 Eppingen, Germany
Phone: +49-7262-92490
Fax: +49-7262-9249114
Email: info@shure.de
www.shure.eu
www.shure.eu
© 2017 Shure Incorporated
07/17
AL21270SE