Shure MX690H19 User Manual

©2016 Shure Incorporated

27EN16692 (Rev. 5)

Printed in U.S.A.

MX890 Wireless Desktop Base

The Shure MX890 desktop base for MX405, 

MX410 and MX415 gooseneck microphones 

offers cable-free installation for corporate 

boardrooms or other applications requir-

ing flexible microphone configurations and 

MX415 miniature gooseneck microphones 

are suitable for boardrooms and other sites 

where aesthetics are important. The MX890 

operates within the 518–937 MHz band and is 

compatible with Shure SLX wireless systems. 

>25 cm

>150 cm

Make sure the receiver is within sight of the transmitter. Do not place receiver 

behind a metal barrier or any reflective surface. 

Refer to the SLX Wireless System User Guide for more information, or 

visit www.shure.com. 

Power On/Off

1.  With the battery door open, press and hold the 

ON/OFF

 button for approximately 2 

seconds. Release the button when the LCD screen illuminates. 

2.  To turn off the transmitter, press and hold the 

ON/OFF

 button for approximately 2 sec-

onds. Release the button when the LCD screen is blank. The LEDs on the outside of 

the microphone will also go dark. 

Note: To power on the transmitter without opening the battery compart-

ment, press and hold the plastic ON/OFF button on the battery door for 

approximately 2 seconds, then release it.

MX890 Connecting Gooseneck

1.  Align the pin on the microphone flange with the slot on the desktop base.
2.  Insert the gooseneck into the desktop base and lock it in place by rotating the goose-

neck sleeve clockwise.

Low-Cut Filter

The low-cut filter attenuates frequencies below 150 Hz by 6 dB per octave.

Filter disabled (as supplied)

Low-cut filter

Hold the PUSH button and press the SELECT button. (Test the microphone to 

confirm the change.)

1.  Set the button for momentary operation.
2.  Hold the 

SELECT

 button and press the 

PUSH

 button.

Mute Indicator

The desktop base illuminates the gooseneck microphone LED to indicate 

whether the microphone is active or muted. Refer to the following table: 
MX890 Status Indicator

Active

Green

Red

Muted

Red/Flashing Green*

Off/Flashing*

*To toggle between off and flashing, press 

PUSH

 and 

ON/OFF

 simultaneously.

The bi-color LED on the top of the microphone indicates whether the micro-

phone is active or muted. 
The LED can also be set to flash when muted. 
MX690 Status Indicator

Steady (as supplied)

Active = Green
Muted = Red

Flashing

Active = Green
Muted = Flashing Green

Battery

1.  Open the battery compartment as shown. 
2.  Insert two 1.5 V "AA" batteries. Make sure the +/– terminals are properly oriented. 

Note: Alkaline batteries last up to 8 hours. Rechargeable, carbon-zinc, 

and zinc-chloride batteries provide less operating time. 

The battery meter on the LCD shows remaining battery life.

Steady Red: Power low. Replace batteries immediately

Pulsing Red: Batteries dead. Transmitter cannot be turned on until batteries 

are replaced.

Mute Button

The mute button can be configured for toggle or momentary operation. 

The PUSH button toggles the microphone between active and muted states.

Note: The microphone always powers up in the active state.

There are two types of momentary operation: 

Push-to-Mute: The microphone is muted only while the button is pressed 

and held. 

Push-to-Talk: The microphone is active only while the button is pressed and 

held.

MX690 Wireless Boundary Microphone

The Shure MX690 microphone offers cable-free 

installation for corporate boardrooms or other 

applications requiring flexible configurations. 

The MX690 operates within the 518–937 MHz 

band and is compatible with Shure SLX wire-

less systems.

Features

•  Sleek, low profile design
•  Frequency agile, microprocessor controlled transmitter
•  IR link to SLX receiver for automatic frequency synchronization
•  Programmable frequency Group/Channel display
•  Programmable mute function
•  Operates on two AA batteries
•  Compatible with all Shure SLX Wireless systems
•  MX890 Supports Shure MX405, MX410 and MX415 Mini Gooseneck 

Microphones

•  Commshield

®

 technology for protection from RF interference

Placement

Place the MX890 no more than 25 cm (1 ft.) from the edge of the table. Aim 

the microphone toward the talker and away from loudspeakers and noise 

sources. Use one microphone for each talker. Pickup angle with a cardioid 

cartridge is 130° at –3 dB. Pickup angle with a supercardioid cartridge is 115° 

at –3 dB.

Note: To minimize RF interference, maintain a distance of at least 0.3 

m (1 ft.) between transmitters. In case of interference, increase the dis-

tance between transmitters or change channels.

Place the MX690 within 1.5 m (5 ft.) of a talker. Aim the microphone toward the 

talkers and away from loudspeakers and noise sources. Use one microphone 

for every two talkers. Pickup angle with a cardioid cartridge is 130° at –3 dB.

Note: To minimize RF interference, maintain a distance of at least 0.3 

m (1 ft.)