GLX-D Series Cardioid Lavalier System

GLX-D Series Cardioid Lavalier System
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Shure Incorporated
Mac & Win
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Revolutionary Shure GLX-D Digital Wireless Systems combine leading-edge LINKFREQ Automatic Frequency Management technology with best-in-class intelligent lithium-ion battery rechargeability to define the new standard for seamless operation and digital audio clarity.


Includes WL185 lavalier microphone, GLXD1 bodypack transmitter, GLXD4 receiver, rechargeable battery, power supply, USB cable, carrying case, and user guide.


WL185: Wireless premium condenser lavalier mics for speech applications.


GLXD4: Single-channel wireless receiver with LINKFREQ Automatic Frequency Management and battery rechargeability.


GLXD1: Provides up to 16 hours of continuous use with Shure lithium-ion rechargeable batteries.


Globally unlicensed 2.4 GHz frequency band allows operation of up to 8 compatible systems

Up to 200 feet (60 m) operating range (line of sight)Rugged and reliable Shure construction

Legendary Shure microphones options featuring an integrated microphone capsule design




LINKFREQ Automatic Frequency Management


Revolutionary intelligent frequency management quickly identifies the best open group and channel frequencies

Bi-directional communication link automatically enables the transmitter to follow any frequency change on the receiver

Continuous interference monitoring automatically and seamlessly switches to backup frequencies if needed, without performance interruption


Power Management

Custom Shure rechargeable lithium-ion batteries deliver:


Up to 10,000 hours of use per battery (compared to 2,500 hours for alkaline batteries)

Up to 16 hours of continuous use

3-Hour charge = up to 16 hours use

1-Hour charge = up to 6 hours use

30-Minute charge = up to 3 hours use

15-Minute charge = up to 1.5 hours use


Multiple Convenient Battery-charging Methods

Charge a battery:


In the integrated charge port of GLXD4 while the system is in use

In the USB Battery Dock Charger (available separately)

While it is in the transmitter using the USB charge cable (included), SBC-USB USB Wall Charger (available separately), or SBC-CAR Car Charger (available separately)


(1) GLXD1 Wireless Bodypack Transmitter

(1) GLXD4 Wireless Receiver

(1) WL185 Microflex® Professional Cardioid Lavalier Microphone (with windscreen and tie clip)

(1) PS42US Power supply

(1) SB902 Rechargeable Lithium-ion Battery

(1) USB Charge Cable

(1) Carrying Case

Tuning Bandwidth

24002483.5 MHz

Working Range

IndoorUp to 30 m (100 fttypical Up to 60 m (200 ftmaximum
OutdoorUp to 20 m (65 fttypical Up to 50 m (165 ftmaximum

Transmit Mode

Shure proprietary digital

Audio Frequency Response

20 Hz

 20 kHz

Dynamic Range

120 dBA-weighted

RF Sensitivity

-88 dBmtypical

Total Harmonic Distortion


RF Output Power


mW E.I.R.P. max

Operating Temperature Range

-18C (0F) to 57C (135F)

Storage Temperature Range

-29C (-20F) to 74C (165F)


Positive voltage applied to the tip of the guitar cable phone plug produces positive voltage at the tip of the high impedance -inch output.

Battery Life

Up to 16 hours

Guitar Tuner

Tuning Accuracy1cent
Tuning RangeF#0 to C8

Channel Count


typical ,

Up to 8




90 x 65 x 23 mm (3.56 x 2.54 x 0.90 in.), H x W x D (without antenna)


132 g (4.oz.without batteries

Power Requirements

3.7 V Rechargeable Li-Ion


Cast MetalBlack Powdercoat

Input Impedance

900 k

RF Output Power


mW E.I.R.P. max

Transmitter Input


4-Pin male mini connector (TA4M)



Maximum Input Level

1 kHz at 1% THD

+8.4 dBV (7.Vp-p)

Antenna Type

Internal Monopole

Pin Assignments


1ground (cable shield)
2+ 5 V Bias
4Tied through active load to ground (On instrument adapter cable, pin 4 floats)

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