Uh, guess I had a wrong impression! Outside of volume strength, the quality/response seemed as good with the UP4 as something more powerful? (like, bass or details) I will buy the 250 ohm to try of DT-770 finally, kinda disappointed with the noisy cable of the 80, and choose which one to keep...

Hi, lil' user feedback about the DT 770 and the UP4 2022 : With the golden knob cranked at maximum, in 3.5mm dual DAC unbalanced, the 80 ohm version is at 5/10 of volume from my phone via Bluetooth to be "fairly loud enough". With the knob at ~75-80% I need 8/10 of volume setting in Bluetooth...

Hello, First, it's really nice to have a brand responding that way. I've search broadly but didn't find answers to my questions on that point, but this old message from 2020 is a nice hint and I think you might be able to answer. I've got the UP4 2022, and it's slightly more power than...