System Automation and selecting DAC inputs on NDX2 with Supernait 3 front buttons

Hi-Fi Corner
10

IMG_6531
IMG_6531750×769 100 KB

It’s this cable to join the two components, ndx2 and supernait.

IMG_6532
IMG_6532750×391 53 KB

Can the Naim app or Qobuz app control the volume?