Fiio X3 User manual

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（Note: X3 Mark III will be called X3 for short in the below Instruction)
All the below illustrating pictures are for reference only.
X3 Complete User Manual
(Applies to FW1.0.0 and later)
Foreword:
Thank you for purchasing FiiO's X3, our 192 kHz/32 bit high resolution lossless
music player. To let you better utilize the X3 to enjoy high-quality music, we have
prepared this complete user manual and collected and answered some frequently
asked questions by users. We hope this manual will help you get to know the X3 and
unleash its full potential.

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Contents
A. Introduction.............................................................................................. 3
B. Buttons and Ports.................................................................................... 3
1. Buttons/Ports Diagram ............................................................................. 3
2. Buttons and ports introduced ................................................................... 4
C. Visual Guide to Menu Operation........................................................ 6
1. Main Menu ............................................................................................... 6
2. Key-Lock Settings ...................................................................................... 7
D. Menu Operation...................................................................................... 8
1 .Turning On/Off.......................................................................................... 8
2. Now Playing .............................................................................................. 8
3. Category.................................................................................................... 8
4. Browse Files .............................................................................................. 9
5. Play Settings.............................................................................................. 9
6. System Settings....................................................................................... 11
E. Firmware update ................................................................................... 16
F. Tips on usage........................................................................................... 18
G. Frequently Asked Questions.......................................................................................19
1. About charging ...................................................................................... 19
2. Transferring songs ................................................................................. 20
3. Firmware upgrades................................................................................ 21
4. Storage .................................................................................................. 21
5. Other operations ................................................................................... 24
6. Connecting to other audio devices ........................................................ 25

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A. Introduction
The X3 is a high resolution digital audio player, supporting lossy and lossless music formats
including MP3, WAV, WMA, APE, FLAC, AAC and Ogg Vorbis. A maximum sample rate of 192kHz/32
bit is supported and other features include Bluetooth and CUE sheets. The X3 also can support
headphone output, Lineout, digital coaxial output and 2.5mm balanced output.
It's a portable high-performance music player.
The following sections are an illustrated guide to using the X3.
B. Buttons and Ports
1. Buttons/Ports Diagram:
①
②
⑤
④
③
⑩
⑧
⑦
⑥
⑫
⑮
⑭
⑬
⑪
⑨

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2. Buttons and ports introduced
1) Power/Lock button: When the unit is powered off, hold the button for 2 seconds and release it
and the X3 will power on (after a brief pause); when the unit is on, press the button briefly to lock /
unlock the player, or hold the button for about 3 seconds to power off (hold for 10 seconds for a
forced shutdown).
2) Volume "+" Volume "-": Press briefly to change volume by one increment, hold down to change
volume continuously until the maximum volume ("+"button) is reached or the player is muted ("-
"button)
3) 262K Color TFT Display (320×240 resolution):Displays the user interface and other information;
for operating the unit in conjunction with buttons on the unit.
4) Multifunction Button: The Multifunction Button setting includes 4 options: Playback control, EQ,
Jump list and Theme. To use the touch wheel or previous/next track to see different options and
corresponding operation instructions, then press the "OK" button in the middle to confirm.
5) Shortcuts Key: The Shortcuts key will display different menu depending on which of the menus
you are currently in as well as how long you press the key for. For instance, press briefly in the Now
Playing menu to enable/disable the Shortcuts bar; press briefly in the Main menu to enter the Play
setting menu; long press in a track/file list menu to enable the first-letter search function; long
press in any menu except for a track/file list menu while playing music to enter the Now Playing
menu.
6) Back / main menu: Press briefly to go back up one menu level each time until you reach the main
menu; pressing Back while you're in the main menu when music is playing takes you to the "Now
Playing" screen. Hold this button to return directly to the main menu.
7) Scroll wheel: Freely rotatable (360°rotation), turn the wheel clockwise to scroll down / right,
choose the next item on the menu or adjust the level / value / choice etc. for the selected menu
item; turn the wheel counter-clockwise to scroll up / left, choose the previous item on the menu or
adjust the level / value / choice etc. for the selected menu item in the other direction
8) OK/Play/Pause/Volume adjustment:
In "Now Playing" screen: press briefly to play / pause;
In menus: press briefly to enter the submenu of the selected item, adjust the level / value / choice
of the selected item (using the scroll wheel for items with numerical value or many choices, or
alternating between choices using the OK button directly for other items);
In other dialogs: press briefly to confirm actions (press other buttons to cancel);
Volume control: Hold down this button at any time to pop up the volume control dialog and adjust
the volume using the scroll wheel.

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9) Micro SD card slot: Standard micro SD card slot, supporting micro SD cards up to 256GB
10)Up / Previous track / Rewind: In"Now Playing" screen: press briefly to select the previous song
for playback, hold down to rewind the current song;
In menus: press briefly to choose the previous item (up) in menus.
11)Down / Next track / Fast forward: In "Now Playing" screen: press briefly to select the next song
for playback, hold down to fast forward through the current song;In menus: press briefly to choose
the next item (down) in menus.
12) Indicator light: Blue while working, red while charging, green when fully charged.
13) 3.5mm Headphone /Line/Coaxial output：The headphone out, line out and coaxial output
share the same port. You can toggle which mode you want to use under the "Select output" option
in the System Settings menu.
The headphone out also supports the use of CTIA standard (e.g. most smartphones) in-line
headsets. When using in-line controls, you can do the following：
Volume Up/Down：Briefly press the volume buttons to increase or decrease the volume by one
step. Hold to continually increase/decrease the volume until maximum volume/mute is set.
Play/Pause：Press the middle button once to pause. Press again to resume playing.
Skip to next track：Quickly press the middle button twice.
Skip to previous track：Quickly press the middle button 3 times.
Fast Forward：Quickly press the middle button 2 times, holding down the last press. Release the
button to resume playing.
Rewind：Quickly press the middle button 3 times, holding down the last press. Release the button
to resume playing.
14) Micro USB port (11 pin):
For data exchanging, battery charging and connection to docking FiiO devices
15) 2.5mm balanced headphone output: Supports 2.5mm TRRS balanced headphone

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C. Visual Guide to Menu Operation
1. Main Menu
Buttons and Dials：
Scroll Wheel: Scrolls through menu
items, changes values of selected items
Shortcuts: Shows/hides shortcuts
Context menu
Back：Goes up one menu level
Up / Prev | Down / Next : Moves through
menu items, changes values of select
Now Playing:
The shortcuts key
shows/hides the shortcuts
menu. Use the scroll wheel to
navigate and the Enter key to
select items in the shortcuts
menu.
Category:
Afterupdatingthemedia library,
musicfileswillbesortedinto
categoriesbasedontheirtags.
Scrollto choosebetweenplayingby
song,album, artist,orgenre.
Favoritesandplaylistsare
added/deletedmanually.
BrowseFiles:
Displaysallofthefolderandsub-
folderswithin your micro SD card,
allowing you tobrowse through
your music files. Navigate using
thescroll wheel, Enter, and Back
buttons.
PlaySettings:
Ifanoptiondoesnothavea
submenu,adjustdirectlyusingthe
EnterorPrevious/Nextbuttons.If
anoptiondoeshavea submenu,
pressEnterthenadjust usingthe
scrollwheelorPrevious/Next
buttons.
SystemSettings:
Ifanoptiondoesnothavea
submenu,adjustdirectlyusingthe
EnterorPrevious/Nextbuttons.If
anoptiondoeshavea submenu,
pressEnterandadjust usingthe
scrollwheelorPrevious/Next
buttons.
Status Bar:
1. Current Volume
2. Current Output Mode
3. Gain (High/Low)
4. Playing Indicator
5. Bluetooth Indicator
6. Sleep timer Indicator
7. Micro SD Card Inserted
8. Battery Level Indicator

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Cover
Briefly press
the shortcut key
Lyrics
Use the scroll wheel or the
"Previous" and "Next" buttons
to switch between shortcuts
2. Key-Lock Settings
Key-lock settings: Go to "System settings>Key-lock settings" and you could
see three button settings: Multifunctional button, OK button and Prev/Next
button. You could use the scroll wheel and confirm button to set the button
on/off to your preference.
When the button is set to ON, under lock-screen, this button could work;
when it's set to OFF, this button couldn't work under lock-screen.
Note: under lock-screen, click the volume button to adjust volume and long
press the volume button to switch.
Add/remove from favorites
Create or add to Playlist
Select between loop all, loop
single song, sequential,
shuffle, and single play
modes respectively
Deletes the current song

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D. Menu Operation
1 .Turning On/Off
When the X3 is powered off, press and hold the power button for 2 seconds to turn it on (you will
see the language selection dialog the first time it is turned on). When the X3 is powered on, press
and hold the power button to turn it off. After turning on, the X3 displays the main menu. Use the
scroll wheel or Previous and Next buttons to choose between the five different options of the main
menu –Now Playing, Category, Browse Files, Play Settings, and System Settings. Press the shortcut
key while in the main menu to quickly jump to Play Settings.
2. Now Playing
When in the main menu, highlight Now Playing and press the Enter button to enter the Now Playing
screen. If no song is playing, you will be presented with a list of songs to choose from –after
selecting a song you will enter the Now Playing screen.
Note: If you do not set the X3 to automatically update the media library, you need to do so
manually in the System Settings menu.
3.Category
While in the main menu, select the Category icon and press the Enter button to get to this menu.
From here, you can use the scroll wheel or Previous/Next buttons to select from sorting by: All
Songs, Album, Artist, Genre, Favorite, Playlists, and Recently Added. Press the Enter key to go into
any of these sub-menus, where you will be presented with a list of songs sorted by your chosen
category. While in any sub-menu, pressing the Shortcuts key will allow you to quickly switch to the
other types of sorting.
Favorites need to manually added/removed through the following methods:
(1) Individually add/remove favorite songs through the shortcut context menu in the Now Playing
Screen.
(2) Batch add/remove favorite songs: To add/remove multiple favorite songs at a time, you first
need to have at least one favorite song. After doing so, you will be able to enter the Favorites sub-
menu. While here, press the Shortcuts key and select the "Add to Favorites" icon. You will be
presented with a list of songs. Use the scroll wheel to highlight between different songs. Once you
have highlighted a song, press the Next button to add it as a favorite or press the Previous button
to remove it as a favorite. Once you have finished selecting which songs to add/remove as favorites,
press the Enter button to confirm changes.
The X3 supports both externally-created (M3U and M3U8 formats) playlists as well as natively-
created playlists. To learn how to externally create playlists for the X3, please see the FiiO Support
website at http://fiio.net/en/supports/46. To directly create playlists from the X3, press the

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Shortcuts key while in the Now Playing Screen. Select the +icon in the context menu, which will
then allow you to create new playlists or add tracks to an existing playlist. To delete a playlist, while
in the playlist sub-menu press the Shortcuts button then the Enter button. To delete individual
songs from playlists, while highlighting a song in a playlist press the Shortcuts button to bring up
the confirm dialog then press the Previous button to select Yes, after that press the Enter button.
4. Browse Files
From the main menu, use the scroll wheel to highlight Browse Files and press Enter to go into the
menu. If a micro SD card is not inserted, the message "SD Card Not found…" will appear. If a micro
SD card is inserted, you can browse through the folders and files on your micro SD card. Use the
scroll wheel, Enter, and Back buttons to navigate through and select the music files to be played.
5. Play Settings
When in the Play Settings menu, use the scroll wheel to choose between the different settings
items in the menu. Use the Enter and Previous/Next buttons to choose from the different options
for each setting.
a) Play Mode
Choose from the following playback modes: Shuffle, Sequential, Loop through all songs, Loop single
song, and Single play.
b) Resume Mode
Choose from 3 different options: Off, Song, or Position. In Song mode, when turned on again the X3
will resume playing at the beginning of the song being last played before being turned off. In
Position mode, when turned on again the X3 will resume playing from the exact position of the last
song being played before being turned off.
c) Playback Gap
Choose from either None, Fade in/Fade out and Gapless playback options(Gapless playback
function will implement by future update). With the Fade in/Fade out option, there is a fade effect
when switching tracks. That is, when starting to play a new track the volume will start very low and
gradually get louder, while at the end of a track the volume will gradually decrease until silence.
d) Max Volume
After pressing Enter to get into this submenu, use the scroll wheel to set the maximum volume limit
anywhere from 30 to 100. You cannot set the maximum volume to 0 to prevent there being no
sound output after turning the X3 on.

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e) Default Volume and f) Fixed Volume Setting
For the Default Volume setting, choose between the Memory and Custom options. With memory,
when turned on the X3 will be set at the volume that it was at before being turned off. With Custom,
you can choose a particular volume level to be set to when the X3 turns on in the Fixed Volume
Setting option (press Enter on that option to enter the sub-menu to specify the desired volume with
the scroll wheel). The Fixed Volume Setting is not available when Default Volume is set to Memory.
g) Equalizer
You can choose from a variety of preset EQ settings (Rock, Classical, Jazz, Pop, Dance, Vocal, Metal
and ACG) or define your own EQ (Custom). Each of these EQ settings may be modified. To modify
any EQ, highlight the desired EQ and press Enter. Then use the scroll wheel to select which
frequency you want to change, and press Enter. After doing so, use the scroll wheel again to change
the frequency to your desire. Press the Enter button when finished. After repeating for all other
frequencies that you want to change, press Back to save your changes to the EQ preset. Pressing
the shortcut key at any time in this menu will display a prompt to reset the currently highlighted EQ
to its default settings.
h) Line Out Mode
Choose from Fixed Level or Volume Adjustable. If Fixed Level is selected, the output will be fixed
with the maximum level.. If Volume Adjustable is selected, you can use the volume buttons to
adjust the line-out volume (the Fixed Level option will not be available in this case).
(Note: Please be careful when the Line Out mode is set to fixed level and the output mode is set to
Line Out. You will not be able to adjust the loud volume and you may damage your hearing if you
plug in headphones when set to this mode.)
i) Balance
Press the Enter button to adjust channel balance. Use the scroll wheel to make the sound louder
either through the left or right channels. There are 10 steps of adjustment for either direction, with
the 10th step being about 5dB louder in that direction.
j) Play Through Folders
If this is set to On, the X3 will start playing tracks in the current folder. Once it has finished playing
the last song in the current folder, it will begin to play the first song in the next folder. If there are
any sub-folders within the folder, it will also play those before playing the next folder. If this is set
to Off, only the tracks in the current folder will be played and the X3 will not play songs from other
folders.
k) Multifunctional Button
The setting includes 4 options: Playback control, EQ, Jump list and Theme. To use the touch wheel