The Boulder app is only used for controlling Boulder devices, not for connecting to any streaming services. Some of the functions in the Boulder app are duplicates from the front panel, like selecting input and adjusting volume, but some functions are only present in the app, like separate...

The two balanced analog inputs on the 812 is off course kept purely analog (and balanced) to both the headphone amp and the balanced output from the pre amp. It's not like the Unity Atom headphone edition where the analog input is digitized and then converted back again (a serious corner to cut...

Since I now have had the 812 at home for 2 weeks, I perhaps should share my impressions if it can be of use to anyone else. I’m new here as active member, so please bear with me. And I should mention from the beginning that the headphone amp serving as comparison is the Bryston BHA-1 that I...