Krell 400Xi looks like comparatively speaking like cheap American downscale (but compared to mass market stuff several steps above) compared to the refined fit finish of the Primare. But that superficial comment aside, the Primare I30, after reviewing many of the same class, gets to the music and deep. Krell seems to be, a bit like a politician, impress with one or two derivatives on the slope but the Primare is the Integral. The total natural delivery of natural sounds in a space that just continues to impress once you get past the short man disease of the likes of amps that try to jump in for the dance with short term high-lites.