Have owned a 150B now for 5 months. It seemed too good to be true inside and out but ordered hoping for the best. Does not matter what I say here as it gets bit picked apart but this unit is real. App running Qobuz is great and clean. I will say for a 2 ch guy, there is a lot of Shiit I don't care about but it is simple to ignore.
My system has slimmed down and running the 150 as pre amp and DAC much to my surprise. I have A B tested with a few preamps (AR6 and Mc) and cannot justify the added costs, Dec, and cabling expense.
I have never heard my mono blocked system more quiet and dark. I am impressed yet dinosaur audio tweeker friends find it uncomfortably too simple, but none question the sound coming from from the sopra 3's. Things are changing.