I've tried both with main listening system and found that I prefer the SQ of Qobuz. The exception was with overly bright recordings, where I found that MQA seemed to smooth thing over.
Tidal or Qobuz
Many say Qobuz sounds better than Tidal, not Jay.
https://www.youtube.com/watch?v=viRfrUktBY - 3:58 to 6:42