OP: what kinda budget for a class D integrated amp (“affordable” isn’t defined)? For $4k, you can have this puppy: a GaN-based Technics network/integrated amp that includes a GaN FET driver stage:
https://www.technics.com/us/products/grand-class-g30/network-audio-amplifier-su-g30.html
A review is available at this link:
https://hometheaterhifi.com/reviews/amplifier/integrated-amplifiers/technics-su-g30-network-audio-am...
https://www.technics.com/us/products/grand-class-g30/network-audio-amplifier-su-g30.html
A review is available at this link:
https://hometheaterhifi.com/reviews/amplifier/integrated-amplifiers/technics-su-g30-network-audio-am...