“NAD Masters M33 BluOS Streaming DAC Amplifier Becomes First Integrated Component to Feature Purifi’s Ultra-Quiet Amplification Technology”
https://nadelectronics.com/nad-maste...on-technology/
Bart and I were lucky enough to spend a day with Bruno Putzeys, designer of the Eigentakt amp module (together with Lars Risbo). Their creation, brought to market by Purifi and now integrated in the NAD, is very very impressive.
Not sure if it meets all your requirements, but it surely helps in reducing the box count.