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Originally Posted by tfarina /img/forum/go_quote.gif
That the DAC of the DX is the same of STX
The DAC is actually not the same (CS4398 on the DX, and PCM1792A on the STX), but the upgrade to the STX is not worth it for the DAC alone.
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Maybe i need to change my question. What can I do to improve sound performance on gaming? An amp or new headphone?
A FiiO E11 or similar amplifier would make some difference, especially in the bass response, but not a large difference. It would cost less than better headphones, though, and may also be useful later if you replace the AD700, because other models could benefit from the FiiO more. For a headphone upgrade, you could try:
- Q701: it is said to be a great gaming headphone, but is not cheap, and is much harder to drive than the ATH-AD700, and you may easily find the Xonar DX underpowered without an amplifier
- HD598: another good gaming headphone, and cheaper than the Q701; the Xonar DX would have enough power, but the high output impedance would make the bass audibly "boomier" and less controlled
- DT990 Pro: good for immersion gaming, with boosted bass and treble (maybe too much for some people) and large sound stage, and for a slightly lower cost than the HD598, it is a good value for the money; the Xonar DX could be marginal on power, but not as badly as with the Q701, and the output impedance is not as much of an issue as with low impedance headphones
- DT880 Pro: more neutral than the DT990 Pro, but with smaller sound stage, and is more expensive; it uses the same 250 Ω drivers
- ATH-AD900: the obvious upgrade from the AD700, but I do not know much about it
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The only thing that I can´t change now is soundcard.
That should not be a problem, unless you need features (especially gaming related) that the Xonar DX does not have, or there are problems with interference from the computer.