@tvrgeek I’m surprised of the mediocre results you get from Fosi V3...
I know someone who drives Magnepans with it, another guy who drives Martin Logans, and they are both very happy with the performance.
I never heard the V3 (not yet) but I bought an Aiyima A07 for a friend, and that tiny thing fills a big room with loud, undistorted, detailed sound and very impressive bass driving a pair of Magnat All Ribbon speakers. Fosi V3 is supposed to be better than Aiyima A07...
Are you 100% sure that yours isn’t just faulty?