Blindtest! AMP Krell KAV 150a VS Class D ( which one ?)

I'm getting closer to my class D amp... but it doesn't really ignite for me... at the end the class D amp is named, in the next video you can hear the tuned version...
ICEpower® class D technology of the XTZ A2-300 2x 300W 1% THD, 4 Ω