Thank you, this was extremely helpful. I opened up some Fleetwood Mac UHD tracks from "Rumors" with and without my Dragonfly. Without the Dragonfly, the iPhone tops out at 44.1 and 16 bit, but when plugging in my Dragonfly, that changes to 96 and 24. Unplug it and it goes back to 44.1 and 16...

Nope, that's not what I was saying. I originally upgraded via my iPhone but that didn't seem to do the trick. It was working properly after I subsequently tried to upgrade via my MacBook. I am aware that you need to subscribe to the HD package to get HD material. Overall, I think it's pretty...

I figured out the problem - I needed to update/upgrade my subscription on my computer, then everything was good to go on my iPhone. Lots of testing tonight...

Forgive my ignorance: How do I find and listen to Amazon HD and Amazon UHD tracks? I have the Amazon Music app (I didn't see any Amazon Music HD app) and tried out a few tracks, some of which I know are available in MQA on Tidal (e.g., Fleetwood Mac) and others which aren't (e.g., Van Halen)...

I hear a lot about the discomfort of the PX, however, I find them to be quite comfortable (and I have a big head!).

I understand what you are saying and it makes sense that the PX would bypass the Dragonfly, however, I can absolutely hear a difference when using a Dragonfly Black and MQA files when running the PX wired. I use my P7's (wired) and my new V-Moda M-100 Master's (wired) and also love them!

I can only compare the PX to the P7 wired (i.e., I don't have the P7 wireless model). For all of my wired headphones, I use my iPhone X or MacBook Pro and a Dragonfly Black and listen to Tidal lossless files. Understanding this, I would say that the P7 can hit lower bass notes vs. the PX...

Ivory: Earpads are larger than the prior stock pads, but not as large as the XL pads. I ordered the XL pads with my Master's and am glad I did. I also wear glasses and have no issues with comfort or attaining a quality seal. Yes, the headband is pleather and not the material like the prior...

Picked up the PX in "space grey" a few weeks ago. From what I can tell, I can use the ANC and still listen to MQA files via Tidal on my iPhone X and a Dragonfly Black (wired connection). If this correct? I ask because I know that I can turn off the ANC and use them as "normal" headphones...