The MX690 Boundary Microphone from Shure features a built-in wireless transmitter that is compatible with Shure's SLX UHF series wireless microphone receivers. The boundary microphone features a cardioid polar pattern for sufficient noise suppression and optimum pick up of conversations, speech, interviews etc. The internal wireless transmitter eliminates the need to run cable and drill holes. A programmable Mute switch includes push-to-talk and push-to-mute modes. Bi-color LED provides status information and the MX690 is conveniently powered on two AA alkaline batteries. This microphone operates within the 572.200 to 595.800 MHz frequency band.
Sleek, low profile design
Frequency agile, microprocessor controlled transmitter
Bi-color status indicator
IR link to SLX receiver for automatic frequency synchronization