I bough M50x few years ago just to find out that absolutely nothing sounds like I want it to sound on them. I tried to get used to them for couple of days, but eventually returned the within a week. I couldn't find a single album that I liked while listening through them. That bass signature, clamp force, it was just not for me.

Only if you 'plan' on spending much much more in the near future (ie buy even more expensive headphones :))

I'm thinking about Timeless at this moment cause I'm in love with planar headphones. Do you see noticible/any difference in detail/resolving/speed in Timeless due to them being planar? I have a Fiio iem at the moment and planing on investing in somethin more.

Not exactly. If you do the same on android phone it just works - you can have hi quality stereo audio + high mic quality.

I tested it on couple of BT headphones and also had the same problem as you and also was sooooooo disappointed AF. I specifically bought BT headphones at the beginning of the pandemic only to find out that during skype/teams call I have potato quality.

Turns out that if you want mic + stereo audio, there are 'teams certified' headphones, exactly the same models as regular BT headphones from various manufacturers, but they have also a dongle 'mimic' BT (I think it's 2,4GHz though?) to cheat that retarded bluetooth Windows implementation.

As far as I know it's not bluetooth or codec problem but windows/Microsoft implementation of bluetooth problem. If you want to use mic it switches to different BT profile ("hands-on" or something like that) and immediately drops audio quality due to this implementation and bandwidth constraints.

That only means you need more headphones/amps

Don't tell me the truth man. I want to believe it's 'just a hobby'

I heard this story somewhere... teach them to buy headphones early, they wouldn't have money for drugs ever in their lives.

I know the feeling. I've been reading about 'speed' and 'technical' side of headphones for a long time, but only after switching to planars I started to understand what it means. And now dynamic headphones are kinda hard to listen to :/ I'm thinking about planar iem as a next buy.

Love the build quality of these headphones. Plastic cups are really rigid, the leather headband feel quite premium and after a year of heavy use velour pads don't look worn at all. These are build to last. And I secretly love the 'shouty' sound signature.

I have headphones that sound better than these, but I don't need to treat dt770 like an egg. They are not going to break. Probobly ever (and if, they are designed with every part to be replaceable!!!). And that makes them my daily drivers for my PC.

Google lens is suggesting an 'Aukey' brand

I have Samsung s22 ultra phone and I barely can stand SSC codec :/ There are albums where hihat sounds so unnatural and compressed that I need to manually switch to Aptx cause I can't stand the way SSC sounds. It just poorly manages high frequencies. It reminds me of mp3 128 bit rate I use to listen when I was a teenager :/

I'm super happy with ANC on these headphones (waaaay better than I expected and main reason I stick with them), but codec wise I was expecting more (tonal wise from SSC).