Looks like the same NEX unit I have. I used the Maestro unit to integrate to the OBD. Nice to pull codes real time, as well as seeing which tire just tripped the TPMS low pressure. I also made a hose for the ARB to inflate all 4 tires simultaneously, so I can monitor the pressure progress from inside the Jeep.
Didn't have the built-in mic, but when setting up the Maestro the u-connect integration was an option to select. If you want to go with an pioneer mic, they are cheap, I nicked the wires on mine when pulling the wires for my Trailrocker switch panel, looked up the part number on the pioneer site and Amazon Primed it.
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