The Microflex® Wireless Boundary Microphone offers total freedom of placement with no holes to drill or cables to run for installation.
The Wireless Boundary Microphone is the perfect solution for conference and meeting spaces where users demand flexibility and high performance. Compatible with Shure SLX® Wireless Systems.
- Sleek, low profile design
- Frequency agile, microprocessor controlled transmitter
- Bi-color status indicator
- IR link to SLX receiver for automatic frequency synchronization
- Programmable mute function
- Battery level indicator
- Operates on two AA batteries
- Logic output for remote LED and mute control
- CommShield Technology for improved RF filtering
|G4||(470.125 – 493.825 MHz)|
|G5||(494.125 – 517.750 MHz)|
|H5||(518.200 – 541.800 MHz)|
|J3||(572.200 – 595.800 MHz)|
|L4||(638.200 – 661.800 MHz)||
Which Band Should I Choose?
Find out which band for the MX690 has the most available wireless channels in your location. Already own the MX690? Use the Wireless Frequency Finder Tool to find frequencies.
|Type||Condenser (electret bias)|
|Frequency Response||50–17000 Hz|
Additional specifications are available in the user guide.
|Microflex Microphones Product Brochure||English||1.6 mb|
|MX690 CAD Drawing||English||ZIP||114 kb|
|MX690 MX890 Specification Sheet||English||326 kb|
|MX690 MX890 User Guide|
MX690 or MX890 transmitter with SLX4L receiver
The SLX model line features infra-red synchronization (SYNC) for programming the transmitter t...
SLX4L Receiver with TTL Logic with AMX systems
The SLX4L can provide the status of the wireless microphone. At the back of the SLX4L, there i...
Change mic element on MX690
The following instructions show how to change the microphone element in the MX690 boundary mic...
MX690 and MX692 Audio Output Level
The MX690 output is 6 dB less than the MX692. The primary contributor to this level difference...
SLX4L Receiver - How does TTL logic control work?
The receiver rear panel has three TTL logic terminals: Logic Ground (pin 2) Transmitter...
AA Cell Eliminator
A single AA cell is 1/2" in diameter, 1 7/8" in length. It can be fabric...
Instructional articles, guides, demos and more! Our experts offer industry-proven tips and tricks to help you get the most from your gear.
Service & Repair
Detailed policy information regarding customer service numbers, service modifications, and replacement parts.
Find Wireless Channels for Your System
The Wireless Frequency Finder tool provides recommended channels for all Shure wireless systems.