I had a great cable going from my Node 2i to my older modded Meitner DAC, but in the end I am satisfied just using the DAC in the 2i.
I really love this little streamer, it doesn't owe me a thing. This is a bit embarrassing, but the first internet radio station I tuned into was called "radio 10, 60's & 70's hits". I haven't had any desire whatsoever to change the channel. The sound quality is just fine for me for listening hours on end. So many tunes that I love as if I were programming the channel.