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©2013 Shure Incorporated
27EN16692 (Rev. 3)
Printed in U.S.A.
MX690 MX890
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 ap-
plications requiring flexible microphone
configurations and MX415 miniature
gooseneck microphones are suitable for
boardrooms and other sites where aes-
thetics are important. The MX890 oper-
ates within the 518–937 MHz band and
is compatible with Shure SLX wireless
systems.
MX690
MX890
>25 cm
>150 cm
Receiver
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 infor-
mation, or visit www.shure.com.
30 m (100 ft)
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 seconds. 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
compartment, 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 gooseneck 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
MX690 Wireless Boundary Microphone
The Shure MX690 microphone offers
cable-free installation for corporate board-
rooms or other applications requiring flex-
ible configurations. The MX690 operates
within the 518–937 MHz band and is com-
patible with Shure SLX wireless 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
MX890 Microphone 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 car-
tridge 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 distance between transmitters or change channels.
MX690 Microphone Placement
Place the MX690 within 1.5 m (5 ft.) of a talker. Aim the microphone to-
ward 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.)