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FiiO X1


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SKU: 20145611 Category:


Portable High Resolution Lossless Music Player

We’re excited to see the first sub-£100 audiophile portable digital audio player hit the market and while it is missing some of the connectivity options and features of more expensive players it has very good measured performance and makes a great option for audiophiles on a budget.

Note that it lacks internal storage so requires a microSD card. With 128GB microSD cards now widely available and higher capacity cards supported as they come along this isn’t such an issue as it might seem.


Colours available: Silver / Champagne
Display: 320X240 TFT
Internal storage: None
Card slots: 1 x microSD (128GB+)
Analogue audio output jack: 3.5mm headphone output jack
Phone out (PO): 3.5mm headphone output jack
Headphone Impedance Range: 16~100Ω
Volume control type: 100 levels digital volume control mode
Left right channel adjustment: 5 dB
Dimensions: 96×56.7×14.1mm
Weight: 106 g

Line output performance:

THD+N: < 0.003%@1KHz
Frequency Response: 20Hz~20KHz (<0.4dB) Crosstalk: > 100 dB @10KΩ @1KHz
SNR: > 110dB (A-Weight)
Dynamic range: > 110dB
Line output Level: > 1.46 Vrms
Output Power 1: > 100 [email protected]Ω THD<1% Output Power 2: > 65 [email protected]Ω
Output Power 3: > 8 [email protected]Ω

Phone output performance:

Frequency Response: 20Hz~20KHz(<0.4dB) SNR: > 110 dB (A-Weight)
Output Impedance: < 2Ω Crosstalk: > 70 [email protected]
THD+N: < 0.004%@1KHz MAX output voltage: > 4.2 Vp-p
MAX output current: > 46 mA

Power & battery:

Power: USB 5V/500mA (recommend USB 5V 2A)
Charge display: Red light while charging, green when fully charged
Battery display: Yes
Battery capacity: 1700 mAH
Battery life: > 12 Hours
Charging time: < 4 Hours

Audio formats supported:

Lossless: WAV: 192kHz/24bit
FLAC: 192kHz/24bit
APE (Fast): 192kHz/24bit
APE (Normal): 192kHz/24bit
APE (High): 192kHz/24bit
Apple Lossless: 192kHz/24bit
WMA 9.1 Lossless: 48kHz/24bit
Lossy: MP3, MP2, AAC, OGG, ALAC, WMA…

In the box:

1m custom-made high-current capable Micro USB data and charging cable.
Black silicone case.
Two screen protectors, one attached.
Warranty card.
User manual.
Three decal stickers.


FiiO X1 User Manual (6.9 MB)
FiiO X1 Firmware v1.3 (26.2 MB)
The following changes and improvements were made to firmware 1.3 compared to 1.2:

  1. Added option to play through folders: ie automatcially skipping to the first song in the next folder after the last song in the current folder.
  2. Added option to delete a whole folder.
  3. Added support for exFAT card format (firmware updates still need to be performed using a FAT32-formatted card).
  4. Preset EQ settings may now also be adjusted.
  5. Non-music files generated when a card is accessed by an Apple / Linux computer are now hidden and do not affect browsing.
  6. Fixed issue where some songs are shown with incorrect Genre on the X1.
  7. Fixed issue where shuffle mode reverted to the same set of “random” songs if starting from the same song.
  8. Various other bug fixes.
Press Reviews

Reviewed by vectron for XDA Developers, August 2014

Overall, testing X1 left me with a very positive impression about this new FiiO DAP. It feels very solid, it performs like a mature product, and it has a great sound quality for its price range. I liked all the improvements (over X5) with a new scrolling wheel mechanism, round physical buttons, and updated scrolling menu control. Sound quality is not equivalent to X5, but that is expected at a fraction of a price. At the same time, it’s not too far off and when using external amp connected to LO, you are getting even closer to X5 or other quality DAPs. For $99 this DAP has an amazing value with a hard to beat price/performance ratio especially if you take into consideration everything from its build, design, sound, and firmware. The upcoming add on accessories will add more versatility to take this DAP anywhere with you on the go while keeping its bigger brother (X5) at home for a more serious listening. With such an impressive DAP line up (X3, X5, X1) one can only imagine what FiiO is going to come up with next to blow our mind with X7 release!

Read the full review here

FiiO X1

Reviewed by Lieven for Headfonia, September 2014

So who can I recommend this DAP to then? Well that’s simple: to a whole lot of people. I’m pretty sure the normal music and iBud loving people would enjoy the X1 as an MP3 player. It would also be a great first DAP for starting young audiophiles or for those on a small budget. I don’t think this is the DAP to get when you’re a more experienced listener, the X3 doesn’t cost that much more nowadays. Too bad the UI isn’t like this one. If, like me, you will be using it just as a source with the Line Out, the X1 is an excellent buy: if you get a chance to try the X1 in this combination, I guarantee you won’t be disappointed.

I have been using my X1 & Picollo combo on a daily basis. Yes, the Astel&Kerns of this world sound better but I do feel so much more comfortable using the Fiio when on the go. I really love it and like I said in the podcast: for this price everyone should get an X1, I’m sure you’ll find a way to use and love it.

Read the full review here.

FiiO X1

Reviewed by marcusd for Headfonics, October 2014

…if you want the best overall sound quality in the $100 class the X1 is your best choice for now. If you can bear with the lack of features listed above and go with just sound quality as your main consideration then the X1 is the most musical, most hi-res friendly and most powerful of the bunch… FiiO said it is for the ‘young’ and not for audiophiles. I say it is for anyone who wants the best sounding DAP in the $100 category. I know plenty of people who I would not consider to be young, just fiscally challenged, who might trade in their Clip for this or buy it as a second DAP when they do not want to risk their X5 on their daily commute. Just don’t skimp on the cash thinking you are going to get something close or better than the X3 or 99% of the X5 on sound and detail.

Read the full review here.

FiiO X1

Reviewed by Darku for soundnews, October 2014


A portable player only for youth as manufacturer recommends? Hell no!

Good music doesn’t get old and X1 knows to play it in a way that brings a smile on the face.

It’s a well executed player at exterior that has a pleasant sound and that brings back memories when everything was on analog. Sound footprint is opposed to digitus, it is full of life and it lifts up the mood every time you hit the Play button.

For 100 Euro it’s a steal, there’s no point of comparing it to other portable players at the same price level, all of them are far behind.

Leave your phones in the pocket, if you want to listen to music at a more than decent quality you will need at least an X1. Even if I own an X5 as well, X1 is not going anywhere!


  • Lively, fresh, dynamic sound
  • Good dynamics, strong kick
  • Wide frequency response, impressive sub-bass
  • Great fun factor, very addictive
  • Good construction quality and small size


  • A thin veil over microdetails
  • Intimate, forward sound (can be also a pro)
  • Not neutral or linear (can be also a pro)
  • Headphone amplifier is modest

Read the full review here.

FiiO X1

Reviewed by Dan-Alexandru Gheorghe for HeadMania, November 2014


I am extremely happy with this product. Why? Because it brings extraordinary quality at a very generous price… I don’t know any mobile player to even come close to it at that price. I did not have FiiO X3 for a comparison, but I was surely more impressed with X1 than with X3. Because of this and the fact that FiiO E10 has a new and better revision now, the FiiO E10k, I think X3 will also get a revision soon.

I am seriously trying to find some cons for this product, but for the price, it is extremely hard to do so.


  • good build quality
  • considerably smaller than x5
  • energetic and fun sound with good PRAT
  • very good bass with strong punch, weight and sub bas
  • very good attack
  • excellent voice presence
  • rich mids that give emotion to the sound
  • excellent price / performance ratio


  • the lack of neutrality may be a minus for some

Read the full review here.

FiiO X1

Reviewed by Steve Guttenberg for CNET, December 2014

Neil Young’s new Pono high-resolution music players are just starting to ship, but Fiio has been making stellar players for years, and all of them sell for less than the Pono. I’m a huge fan of Fiio’s X5 player, but for less than one-third the price of that one we now have the new X1. So if you’re curious about the hubbub surrounding high-resolution music, the price of entry has never been lower.

The all-aluminum-bodied X1 certainly doesn’t look or feel cheap. The user interface is more straightforward than the X5’s — it’s Fiio’s best yet. It’s still nowhere as good as the interface of my iPod Classic, but the X1 sounds better than the Classic, that’s for sure. And unlike on the Apple player, you can easily delete files on the X1.

Sadly, the X1 lacks internal storage, but you can use a microSD card of up to 128GB. Connectivity is sparse, just a 3.5mm headphone jack that doubles as a line output, and a Micro-USB data/charging port. For accessories, you get a slip-on black silicone case and a USB charging cable.

The X1 is the smallest high-resolution music player I’ve seen, at just 3.8 inches by 2.25 inches by 0.5 inch (96.6x57x14mm), and it weighs next to nothing, at 3.7 ounces (106 grams). The 3.7v, 1,700mAH li-polymer lithium battery needs 2 to 3 hours to fully charge and supplies around 10 hours of playback. The X1 plays FLAC, APE, ALAC, WAV, WMA, MP3, AAC and OGG files, with up to 192-kHz/24-bit resolution.

I wish I still had the Sony NWZ-A17 music player on hand, but this little FiiO to my mind sounds richer and fuller, for one-third the price of the NWZ-A17. Granted, the Sony’s user interface is better, and the screen is nicer, but come on, it’s really about the sound, isn’t it?

I auditioned a bunch of headphones with the X1, namely the Audio-Technica ATH-M50x, Bowers & Wilkins P5 S2, HiFiMan RE400 and Beyerdynamic DTX-350p. Comparing the sound of lossless ALAC files on my iPod Classic and the X1, the latter better resolved subtle differences in the quieter sections of music, so I heard more reverberation and the recording venue’s “room sound.” Treble detail was also clearer on the X1.

Moving on to high-resolution 96- or 192-kHz FLAC files, the clarity gains were more significant — with better-sounding files from audiophile labels like MA Recordings and Reference Recordings, the X1’s sound is phenomenal. That’s because the recordings are great to begin with; Nine Inch Nails or the White Stripes recordings aren’t. Sadly, there’s not a lot of great new rock music out there that benefits from hi-res sound. Most new hi-res recordings don’t sound much better than CDs or standard-res FLAC files.

High-resolution music isn’t a new thing, it’s been around since the early 2000s with the SACD and DVD-A formats, and here’s the weirdest part, most of those hi-res discs were made from old analog master tapes. That’s still true; only a small percentage of new hi-res rock/pop music is digitally recorded in 88.2-kHz/24-bit or higher resolution.

That’s why I’m more concerned with how the X1 sounds playing standard, 44.1-kHz/16-bit lossless FLAC and ALAC files. The X1 certainly delivers with those: the sound is crisp and clear, and the imaging is wide open. As I said, the iPod Classic can’t touch the X1 for sound quality. Then again, if you can afford the next model up in the Fiio line, the X3, go for it. That one adds more muscle to the sound, dynamic kicks kick harder and the treble is more open. The X3 is not as pretty as the X1, but it’s a better-sounding player.

Read the full review here

FiiO X1

Reviewed by Bowei Zhao for Headphone.Guru, December 2014

Product of the Year Writer’s Award 2014.
Read the full review here.

FiiO X1

Additional information

Weight 0.2 kg

Silver, Champagne, Blue, Black


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