Shure MX690 Microflex Wireless Boundary Microphone

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 518.200 to 541.800 MHz frequency band.