I just want to throw out there that the pc38x changed sound more than any other headphones Iāve ever used after giving them a thorough burn in. I almost sent them back at first because the bass would literally rattle the cans and it sounded like something was loose inside of it bouncing around when the volume was full and explosions were going off. Honestly sounds great now and I have totally changed my initial opinion on them. I really like them as a whole and with no EQ theyāre great for games out of the box. With some EQ changes they can be great for music too but thereās definitely some processing going on in them that you have to fight kinda hard against to balance. Would still recommend them to anyone for gaming exclusively and theyāre pretty good for movies as well.
Agreed as far as a gamer standpoint they are very goodā¦ I just wouldnāt call them good for musicā¦ plenty of better options for that
Thank you guys! I think Iām gonna be happy with this headset as my first open-backs.
At the very least Iāll get rid of this old gamer headset with its volume/mute hub that pulls down like an anchor. It gets old after a couple years.
These came in today so I figured Iād report back.
I think I understand now why these are good for gaming. I played some Mario Kart and Smash (realtek drivers). The headphones grab an array of varying sound effects and figures out how to organize and āvisuallyā place them. In other words, I guess these are good at organizing a mess of sounds which are video games 
.
Iām not an audiophile so ignorance is bliss. These are pleasant to listen to and beats the crap out of my janky old ones.
I received my PC38X today. They do sound good, but I noticed almost immediately at low frequencies there is a pop/crack/rattle type of noise. Is this clipping? It will only happen at certain volumes or if I have the bass boost on my Ifi zen dac turned on - its pretty horrible. I can replicate it by using 40hz or below on this tool - https://www.szynalski.com/tone-generator/. This is a mic recording of the issue Iām experiencing: https://gofile.io/d/klT9u8 Iām just turning the volume up a bit then dragging the tone slider down past 40hz and up again.
Kinda sounds like it.
or just drivers flexing. lol
Burn them in. Seriously. Burn them in. Donāt judge them until you burn them in for like 50 hours.
Really? You think that might fix this issue? I read that was a myth
Read what I said further up. I literally almost returned them with 10 seconds of use after the first grenade went off in a tarkov game I was trying them in. The driver rattled and sounded like it was going to fall out or there was a broken piece of plastic in it or something. Burned them in for 3 days straight and I think the drivers relaxed enough to not rattle because they sound fine now.
Most drastic burn in Iāve ever experienced.
Anything mechanical needs some time to get all the bits and pieces moved to resting position.
Electrolytic Capacitors also have a forming period (few hours to a few days).
Conductors and Semi-Conductors donāt need burn in.
Wow, ok Iāll give it a go then. Thanks guys.
I tried it for 10 hours using these 4 wave files on repeat - https://www.head-fi.org/threads/free-burn-in-files.466827/ and I think it might have actually improved a little! Iāll run it for the next 30 hours and see how that goes.
Can anyone recommend a better file? Seeing as this happens mostly at lower frequencies should I be running something mostly bassy or is it good to have the range.
Thanks.
just throw in some white noise, you will be fineā¦
There are some YouTube videos for different burn in and honestly they all work pretty well. Pink noise at like 75-80 volume is fine for initial burn in.
Just out of interest, if you listen to this test MP4 at a reasonably high volume with the PC38X do you get any popping? https://gofile.io/d/GhTxJd
Iāll test when I get home.
forgot to update you but i just checked and mine do not rattle at all in that test even at extremely high volume
Thanks for letting me know, maybe these are just faulty then. Burn in for another 15 hours hasnt done much 
but some were so sure it would become better. Why it did not help? 
Tested the Atmos sound sample with 6XX for fun and loud, no rattles.
that sounds defectiveā¦ no burn in is going to fix a driver rattling, would recommend contacting the company over that if you can get it resolved. Had these in house myself and had no such issues such as a form of popping or rattling on my drivers