If the biocellulose in question is actually bacterial* cellulose, than quite a bit https://en.wikipedia.org/wiki/Bacterial_cellulose * I guess "bacterial" is not something your marketing department would want to use :)

Looking at the "regions" - it's all the same :D

I have the Comply foams

I have the Fiio L5, works with A35 not with A55

The A55 has digital out from the WM port (works also with @MrWalkman firmware), the A35 has analog out from the WM port. There are (were?) e.g. Fiio cables with respective WM-USB micro and WM-3,5mm terminations. I really don't remember anymore, if the A35 had WM-USB mini capability with the...

Does that actually switch off the DAC/AMP of the headphone, or are you just getting extra AD->DA conversions and double amping?

Sony A50 series

I'd keep the custom fw for the extra functionalities it brings to the A50 even if you only use it on BT

How so? Delivered/dispatched within 24 hrs https://www.son-video.com/article/nomade-casques-et-ecouteurs/focal/elegia#ficheAvis or https://www.fnac.com/Casque-hi-fi-ferme-circum-aural-Focal-Elegia/a14722445/w-4#omnsearchpos=1

Read speed is what matters in 99% of the cases - e.g when the player re-creates the database. During playback, it hardly matters. Write speed is important only when you actually put music on the card. Don't connect the player directly, use a card reader instead, you'll get an order of magnitude...

iOS app version went to 3.0.3 and with it fw to 3.0.2 (!)

3.02 out

Guys, while you're EQ-ing, PEQ-ing and GEQ-ing the hell out of your gear, do you sometimes just, khm, just listen to the music?

I bought from these guys, very reasonable prices. I went with the original Sennheiser cable re-terminated with 2,5mm balanced, but they have a zillion versions/option https://oidiosound.co.uk/headphone-cables/sennheiser/hd650

It is been on Appstore since Saturday