Wiim ultra upgrade from 500 euro receiver

[Peter aston]

Good evening
Would the ultra and nord one acoustics mp nc 502 be an upgrade from onkyo tx-8270 receiver .It would be paired with monitor audio silver 100 7g
Thanks

 

[pbr]

Was an upgrade over my marantz which by receiver standards sounds great. Line out to the nord?

 

[Peter aston]

Was an upgrade over my marantz which by receiver standards sounds great. Line out to the nord?

Thanks also have svs sb 2000 pro.i feel at present with the speakers not getting the most out of them with the receiver I have .