I know it’s considered all things evil to an audiophile, but have you considered:
https://www.schiit.com/products/lokius
OR
https://www.schiit.com/products/loki-max
I bit the bullet and purchased the Lokius,could not be more pleased.
$300 vs $10,000 for an amp that may not get me what I’m listening for
Give it a shot.. $300
If you look at my profile system, you'll see it right on top of my streamer
Sometimes more power is not enough. My rebuilt upgraded TNT200'S are pumping out close to 900watts each.