So, given that your basically looking for audio jewelry, it's safe to say that you're on your own. You'll need to find something that suits your visual needs. All we can do is give you some suggestions, but so can the nice AI tool that you've been using to communicate with us, or just Google for it
You may consider a different route, given that looks are important. Why not commission a custom build? For this kind of money, you can surely have an amp made in a fully custom case that makes it really stand out from the crowd. You can just fit one of the excellent Class-D kits in there, or maybe ask one of the companies that already sell this stuff to customize a case.
As for high-powered amps, this one surely would qualify:
This is a review and detailed measurements of the Hypex NC2K based amplifier from Apollon. The unit was kindly purchased new by a member and drop shipped to me for testing. The NC2K has different options and starts at 1.990,00€ or US $2,342 as of this writing. The version I have has the...
www.audiosciencereview.com
Though, probably one of the lower powered brothers and sisters of the Hypex or Purifi family would in general perform better if you really don't need the power reserve.
As
@kemmler3D already mentioned, skipping the amps and looking at an all-active setup might be interesting as well. A combo like this is probably the very best one can buy for halfway reasonable money: Genelec 8361A + W371A
View attachment 433665
Obviously, you may not at all like the look
.. Oh, and it will also save you on a kilobuck DAC because these things have everything integrated.