Krell Evo vs Evo-enhance

Hello

I am considering between krell evo402 and 402e; beside evo400 and evo400e mono blocks. I have not audited them so not sure which are the most significant differences. are the new E amps better than the older evo ones?

In addition, how do you compare the above krell evo with pass labs xa 100.5 or goldmund telos 200 or Perreaux 750 or dartzeel nhb108 mondel 1 power amp?

Many thanks