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[Impression] FiiO X3 – High Fi, Low Price. - Page 42

post #616 of 624
Quote:
Originally Posted by meat01 View Post
 

I don't understand "the not enough power" either.

Perhaps not enough power isn't the right phrasing but not as much as I was expecting.   It just doesn't seem to drive headphones much harder than my iPhone and for the Q701s to start opening up some I have to crank the volume above 100 and it's just not that clean at that point.  

Granted the Q701s aren't really what I would consider ideal portable headphones so that's no necessarily a deal breaker.   I expect there will be more than enough juice to power the Rockets when they come in I was just expecting a bit more power based on the listed specs.  And like I said, it easy drives the Momentums and ATHes

I'll play around with high gain more but when I first tried it it seemed to introduce a decent amount of noise.

Overall I'm happy with the way the unit sounds and I expect I'll end up keeping it until the Geek Wave comes along and I can see if it's a better fit for me.


Edited by WickedChicken - 9/7/14 at 11:54am
post #617 of 624

Ok,  after spending more time with High Gain mode I take back my statement in regards to power.  In High I can indeed drive the Q701s adequately without having to push the volume past 100. 

So really the only shortcoming would be the UI itself.  It's not so bad that it can't be worked with but it's definitely a bit slow and Playlist support would be a most welcome addition.

But all in all it's a perfectly fine DAP for $170.  And easily warrants a 4/5, perhaps even 4.5.


Edited by WickedChicken - 9/8/14 at 7:09am
post #618 of 624
With AKG's Q701 having an impedance of only 62ohms the X3 should be able to drive them to deafening levels. iPhones have roughly 1V output compared to the X3's 3V.
post #619 of 624
On paper the q701s are easy to drive but for me they definitely sound better the more power you throw at them. In high gain mode I can reach uncofoable levels but nothing I would call deafening. In low gain mode maxing the volume reaches about what I consider normal listening volumes, perhaps a bit over.
post #620 of 624
Quote:
Originally Posted by Sefelt103 View Post

With AKG's Q701 having an impedance of only 62ohms the X3 should be able to drive them to deafening levels. iPhones have roughly 1V output compared to the X3's 3V.


Q701 need 60% more voltage than HD650 (300ohms) to get the same SPL, low impedance doesn't necessarily mean high voltage sensitivity.

post #621 of 624
Quote:
Originally Posted by WickedChicken View Post

On paper the q701s are easy to drive but for me they definitely sound better the more power you throw at them. In high gain mode I can reach uncofoable levels but nothing I would call deafening. In low gain mode maxing the volume reaches about what I consider normal listening volumes, perhaps a bit over.
Akg specifically needs a respectable amount of current .. Not voltage to be driven properly ... The powerful current will be responsible for properly driven headphones and that is why you see a high voltage and good specified amps and players fail to drive Q\K701because it needs more current ... More voltage will drive it loudly ( specially in midrange and treble)not properly
post #622 of 624
Quote:
Originally Posted by Mmet View Post


Akg specifically needs a respectable amount of current .. Not voltage to be driven properly ... The powerful current will be responsible for properly driven headphones and that is why you see a high voltage and good specified amps and players fail to drive Q\K701because it needs more current ... More voltage will drive it loudly ( specially in midrange and treble)not properly

Glad to know it's not just my imagination.  While I've reached a happy middle ground using the Q701s with the X3 it's definitely nowhere near the same as running through my cheap tube headphone amp or the Geek 720.  

post #623 of 624
doh wrong again. Interesting design of headphone though, Presumably the mW output is a more reliable indicator of a players ability to drive headphones.
post #624 of 624
Quote:
Originally Posted by Sefelt103 View Post

doh wrong again. Interesting design of headphone though, Presumably the mW output is a more reliable indicator of a players ability to drive headphones.

That's OK, I was probably a bit trigger happy myself in claiming that the X3 wasn't as powerful as I expected and didn't really push the Q720s any harder than the iPhone because that' definitely not the case.

 

While it's true that it doesn't drive them with quite the same authority as my Project Sunrise tube amp or Geek Out 720 it definitely does a much better job at driving them than the iPhone/iPod.  And for a fully functional DAP that costs under $200 (with a 64 GB card) and fits comfortably in a pocket I'd say it does a bang up job.

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