I live close to Schiit’s brick and mortar store here in Southern California. I’ve not heard the Vidar, but the salesman there said it sounds identical to the speaker taps 60W output from the back of the (more expensive) Ragnarok headphone amp. I’ve heard the Ragnarok through the Salk SongTower speakers they have in the store, and it was pretty good. Nothing extraordinary, but a clean solid state sound. I thought the soundstage was somewhat small, but that could be the limitations of the speakers or the room acoustics?