Hmm, well, I've got them running out of the DX, like I said, which appears to produce pretty clean sound, but I have a PA2V2 amp on the way! Just thought it was a bit odd that they were working through the volume module, didn't realise they were being amplified by the system itself

  I did expect that, but surprisingly, no! Could it be the fact that these headphones have such high impedance?

Well, I got them now, and it seems to drive them fine, surprisingly enough. Does the fact that I have them plugged into the volume module/interface thingy on my Z2300's make any difference? I mean they sound pretty good, will the amp be worth it? I already got it off ebay and its on the way, but...

Ok maybe I should take that back.. I tried it with the DT 990s and they sound great!! Maybe it was the V-modas after all (:   However, Dolby Digital Live dosent work at all..only PCM...will that be an issue?

Ok well I think I'm just going to return it. Obviously my computer has some issue with Xonar, is it worth getting creative? I've heard a lot of good things about them and a lot of bad things about them.. I dunno what to believe... Hell, is a sound card actually needed if I get an external DAC...

  Cheers mate, I'll have a look at it

So has no one got any solutions :/ ? I've tried everything that has been suggested, but to no avail. 

  It would be useful if I ever wanted portable amplification, yes.

you must have missed my other post, I am getting an amp :p And I think he/she is right, cause I was looking at a few creative cards and just about all of them had an amplifier

  Well, I was hoping that they'd still work so that I could have my speakers connected to the mobo ones and then I could use the sound card for my headphones. But since that didnt work, was there any chance you have any more suggestions? Is it possible that I just got a dud?

  Ok well I tried it and so far the good ol' stock standard one still seems to be coming out on top. 

  Oh ok, sure, I'll give that a go. But will that make the old audio ports on the motherboard useless? And yep, I know, which is why I took your suggestion from the last thread I posted and ordered the PA2V2 amp!

all good man, thanks anyway!

yup, that all got plugged in correctly, ortherwiseit wouldnt have even worked in the first place, right? I'm using foobar > DX > vmoda m100, no impedance issue there I'd say

oh...no, how do you do that? I'm currently using v-moda m100s and I havensome Beyerdynamic Dt990 pros coming on the way

  Aren't you meant to have it plugged into line out? That's what the PDF is telling me in 5.2.1

So today I went out and bought myself a brand new Xonar DX to replace the on board sound card on my motherboard. I plugged it into the PCI-E and plugged in the power, no issues. Installed the drivers, no issues. Plugged my headphones into the jack and hit "Play". Issues. For some reason, it...

  Yep, it has one of those. And okay, I don't really know much about electronics, like I said, but if you think its all right, I'll take your word for it, thank you!

Well I did some digging around, and this guide is making exactly what I want. I have some basic electronics skills, and there is an electronics teacher at my school who would easily be able to help, what do you guys make of it? Someone in the comments was talking about a ground loop isolator to...

Quote: oh ok, well thank you! I guess that answers al of my questions for now!

Quote: I take it that an O2 is an amp? because I will be using  a PAV2 amp.. but yes, I will go with the latter, just to be safe. However, shouldnt it be soundcard -> amp -> switchbox/splitter-> z2300, dt990, etc?

Quote: Actually, I just realised, the volume module on my Z2300's has a headphone jack. I could plug the speakers into the jack on the amp, then use the jack on the module for my headphones! However, would this create any interference or degrade the sound quality at all?? 

Quote: ah, excuse my ignorance, I'm still quite new to this. Well, in that case, I think I will go for this setup. My only convern, however, is that there is no where to plug in my speakers (logitech z2300). They use one 3.5, which will be occupied on the sound card by the amp, so what...

Quote: then how will it drive the beyers? they are 250 ohms..

Quote: Hi, I have another question. The PAV2V, do you know what output impedance that has? Specifications on this thing are quire elusive.