Just not enough traffic here for those nuances.
That said, I would consider buying one when I update part of my first floor
I see Cnet did some reviews about the 3020 > https://www.cnet.com/reviews/nad-d-3020-review/ in 2014 and gave good reviews and wonder if they still like this little box ?
3020v2 > https://nadelectronics.com/product/d-3020v2-hybrid-digital-amplifier/
I have a very small tube type headphone amp and it Rocks !
I wonder if this very small v2 digital really Rocks ?