Burmester Amp are very superior in terms of sound, build quality and timeless design than Pass. Pass amps did NOT worth the money for the sound and overall quality offered; parts used in their electronics are very cheap and low quality. 3 friends of mine moved after a proper comparison from Pass (XA 160.6, XA 200.5 and INT 250) to Burmester (911 Mk3, 911 Mk3 in monos, 032). Burmester gears are in a superior league and their sound is really outstanding.
The Burmester 911 Mk3 is a very special power amp. One of very few best amp ever made.