Balanced gives you more power than single ended, as you can see on both the A50s and A90. However, the A30 Pro has tons of SE power, so chances are you won’t be missing anything from sticking to it vs going to the A90, for example.
That’s hard to judge, as we don’t exactly know what kind of gear was used during the recording and mastering process. As such, knowing exactly what the recording sounded like to the artist’s ear before it left the studio is impossible.
The Aeon Closed X (basically the same headphone as the...
I've posted my solution to a good looking Pi-based streamer before. Depending on the OS you install, you may also get native Qobuz support.