To answer your question, I would search this thread for 'NOS'.hi, do you mind linking the post or a post. i would like to try.
Just type 'NOS' into the search box at the top right of this page and then click the box for 'Search this thread only'.
From the displayed results, the post you need is pretty obvious but here it is anyway:
https://www.head-fi.org/threads/rme-adi-2-dac-thread.868015/page-9#post-14152570