ARC X did indeed detect a firmware update (the update that is required for ARC X to even work with MTM mk2s) …but all the documentation, literally ALL of it, says that your monitors need to be in DFU mode to receive firmware updates - this is not correct. There is also NO indication on the site that ARC X now handles this…and if there is it is well hidden, even from the site’s search function.
I suggest that somewhere…anywhere…IK simply says:
‘X-Monitor and our Firmware Updater have now been replaced by ARC-X for MTM mk2s etc. Simply connect your monitors with USB cables and ARC X will prompt you to download and install the new Firmware that is required for ARC X to work with your monitors. Ignore all other documentation that says you need to be in DFU mode.’
It’s not a deal breaker. The monitors are great value given they are under a grand. And, IK are hardly alone in not updating online PDFs…but when you’re in a pinch and you really need to meet someone else’s deadline…