I never tried monitoring inputs 5 & 6, but I was able to monitor live inputs 1, 2, 3 & 4 until recently - now it’s just plain broken - and with next to zero support for solving this problem. My recording session came to a screeching halt and I’ve spent the last few days doing nothing but troubleshooting. The UR44 is a nice unit - but with this sudden failure and effectively zero support I’m nearly at the point of buying something else.
Here are my posts