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Fidelia is an elegant and powerful music player created exclusively for Mac OS X.

True Listening
Anyone with a passion for music knows the value of high-quality hardware, whether it's a perfectly calibrated power amp or world-class pair of speakers. If you use a Mac to build, organize and enjoy your music library, shouldn't your software live up to the same high standards? Fidelia lets discerning OS X users truly optimize their home listening experience, preserving maximum sonic fidelity across multiple file formats and delivering uncluttered utility with a timelessly elegant user interface. Powered more...

What's New

Version 1.5.3:
  • Stability and performance improvements


  • OS X 10.7 or later
  • QuickTime X highly recommended

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Fidelia User Discussion

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Most Helpful Reviews...

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from Espiridion

The null test link posted by Moogan makes sense, so I played a file using Fidelia and then using iTunes, I captured the audio from the file using Audio Hijack Pro, and loaded the resulting 2 audio files into Studio One along with the original WAV more...

4 people found this review helpful
Version 1.3.1
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Nova-Bossa-Nova Member IconReview+33

Beautiful and very good sound!

Reply0 replies
Version 1.3.1
Espiridion Member IconReview+1147

The null test link posted by Moogan makes sense, so I played a file using Fidelia and then using iTunes, I captured the audio from the file using Audio Hijack Pro, and loaded the resulting 2 audio files into Studio One along with the original WAV file.

Using Sonalksis' FreeG to invert the polarity of a track the files nulled almost perfectly, with only something going on below -93 dB. I then tried to reverse the polarity using Melda Auto Align, and this time the files nulled 100%. In practical terms there was silence regardless of which plugin I used to invert the phase.
I nulled Original vs. Fidelia, Original vs. iTunes, and iTunes vs. Fidelia.

What does this mean? That the audio is and sounds exactly the same, regardless of whether you use Fidelia or iTunes for playback. In all fairness, Fidelia does not claim to sound better than iTunes.

Additional issues I encountered with Fidelia:
Very slow and unresponsive.
Adding a song resulted in losing my playlists until restarting the app.
Numerous crashes upon launching -or trying to launch- the app.

Reply0 replies
Version 1.3.1
Moogan Member IconReview+70

Pleasant enough interface with the ability to add AU plugins to the audio. But the "audiophile" marketing premise is flawed. ITunes (which uses Core Audio of cpurse, just like fidelia), there is no difference between iTunes output and the original file.

This has been null tested recently with v11 of iTunes. ( http://www.reddit.com/r/apple/comments/15ylvm/itunes_1101_audio_quality_null_test_xpost/ )

Subjectively I couldn't tell the difference in playback of lossless files on fidelia against iTunes v11 using a $500 TC Electronic ADA and $800 Adam reference monitors. So unless you particularly like the interface fidelia cannot make your music "better" . Remember there is no difference between iTunes output and the original file according to a null test which you can do yourselves.

Reply0 replies
Version 1.2.1
Dionysos Member IconReview+0

I own the basic licence and I REALLY like the sound coming out of it (I also own Bose speakers and the difference with iTunes is huge)
- no integration with iTunes which is far better to manage music library,
- beta releases...
- pricing of options is totally MAD !! (just think about paying 8,99€ for the iPhone remote app...!!)
- no vision on future of product
- and I think they abandonned the development of this product.

Reply0 replies
Version 1.2.1
June8 Member IconReview+136

Would be better if AirPlay output can be selected without opening preferences.

Reply0 replies
Version 1.2.1
Megaman Member IconReview+86

I purchased this on the iTunes store as I wanted a good music player to play audiophile quality music.

Overall pleasing to use and the sound is great.

HOWEVER, wtf is it with not being able to save your library or playlists? Really - what's the point?

Most software provides the basic ability to save your work - this one does not. I am expected to re-load my library and create new playlists every time I launch this application.

If it was free or a demo version I'd maybe understand, but I paid $20 for this, not to mention the extraordinary amount the developer chargers for so called 'pro' features.

Until the developer fixes this incredible problem, I simply cannot recommend this application.

Reply1 reply
Version 1.2.0

Thought I'd post an update.

This application now constantly chokes or freezes if there is something else going on that requires the minimum of process power.

I've had to 'Force Quit' the last dozen or so times I've used Fidelia. Seems it's just not ready for prime time.

lamontDakota Member IconComment+194

"new FHX Headphone Processor add-on (US $49.99)"

WTF is this? Why would anyone want to pay fifty bucks for it? Why is it that, even on the Audiofile site, the only information available is that there is an FHX add-on available that costs fifty bucks? Is it Audiofile's intention actually to get people to buy this? Or is it merely something tossed in for laughs and so what if nobody knows what it is? It obviously gets the customer's attention. It certainly has mine

Reply8 replies
Version 1.2.0

If you are a headphone nut like me, you may be familiar with something called 'crossfeed', which is designed to mix the sound in a way that makes it sound more like you are listening to speakers (where each ear hears each speaker, but differently) as apposed to headphones (where the left ear ONLY hears the left channel and vice versa). It can make headphone sound much more natural. It just isn't worth $50, at least not when you can buy an AudioUnit plugin called Canz3D from Midnight Walrus for $15 and it works great. Yes on Fidelia, no on this overpriced add-on.


Many thanks, Bd56! I like Fidelia and, normally, I wouldn't hesitate to get an add-on that would/might improve it is something that I'd normally snap right up. But, an add-on that costs over twice as much as the basic app and no clear explanation of what it's supposed to do... I knew that it had something to do with headphones. But, what?! Well, I gotta think twice, despite the fact that, like Little Richard, I'm a "fool about my money, don't try to save" and, like you, I'm a headphone nut. Also, thanks for the word about the more-reasonably-priced alternative. That's good looking-out!

Matthew Foust

The website is now updated:



For the record, I am a happy owner of the "Extended" version of Fidelia and have been considering adding FHX to that. But, lacking an official statement WRT what, exactly, FHX is supposed to do, when added to Fidelia, I've been hesitant to go for it, though I consider myself to be a fairly-serious computer-audiophile.
As for Canz3D, I'm using a pre-release version of 10.7.4 and it's a bit too recent and too unrefined ro work well with it.

Matthew Foust

There are some major under-the-hood differences between FHX and CanZ3D. Although CanOpener’s design draws heavily on psychoacoustic research, its goal is not to satisfy an equation, formula, or spatial hearing model—its goal is to sound great. Unlike other headphone processors, no specific loudspeakers, room responses, or dummy (KEMAR) heads were emulated, and as a result, a number of artifacts (comb-filtering, spectral distortion, HRTF generalization2) could be reduced or entirely avoided. Thus, FHX should not be thought of as “reality simulation,” but rather as a musical, unobtrusive processor that can significantly improve headphone listening on any headphone type. You also get FHX's unique equalization and as well as the monitoring options (the latter are cool for recording/mastering engineers who are evaluating mixes in Fidelia).

In any event, you can download 1.2 and read the FHX section in the user guide or check out the site.

FWIW, it appears CanZ3D hasn't been updated for quite awhile and it is not 64-bit, so it won't work with Fidelia 1.2.


Matthew Foust wrote: "FWIW, it appears CanZ3D hasn't been updated for quite awhile and it is not 64-bit, so it won't work with Fidelia 1.2."

Right. I didn't even try to use it, after I saw how old it was.

BTW, does FHX work WITH Extended or INSTEAD of EXTENDED? Since I already own 1.2 Extended, I wouldn't want to pay to add on THX, only to discover that I had thereby taken off Extended. That would take the meat!

Matthew Foust

FHX is a completely separate purchase from Advanced. You can both or one without the other.


Sold! Thank you, Matthew.

muirtone Member IconComment+0

I have listen to Fidelia, and it does sound great. However, I can not get it to run, or load on my older laptop running due core and current OSX. On my Imac it sound wonderful.

Also has anyone used the upgraded and how does it compare to Audirvana.

Reply0 replies
Version 1.1.2
novalue Member IconReview+13

"WHAT'S NEW -Version 1.1.2: - new mini player" -better little player was in version 1.1.1- suited for screen size. New player is too small and no design, player in size - medium (1.1.2) is too big to mac book pro 13'. Fidelia is perfect music player but new solutions isn't perfect.

Reply0 replies
Version 1.1.2
Theguy Member IconComment+25

Don't forget to use your audiophile ethernet cables if your files are stored on a SAN.

Reply2 replies
Version 1.1.2

Also the gold plated mouse switch contacts for selecting your music…


Uses oxygen-free code processed through vacuum tubes!!

user icon+2
Version 1.1.1
> 3 12


Current Version (1.x)


Downloads 9,474
Version Downloads 346
License Demo
Date 07 Jun 2014
Platform Intel 64 / OS X / Intel 32
Price $19.99
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