FiiO X3 II Second Generation Digital Audio Player


The new X3 is a rightful successor of the original X3 digital audio player that took the market by storm.

  • Following the same form factor as the X1, Fiio has introduced the next generation of their renowned audio player. With a native DSD decoding support, this audio player is compatible with every digital audio format present and delivers impressive sound output.

    Solid Construction

    The second generation X3 audio player boasts a solid aluminum alloy chassis that not only gives a premium look to the device, but also keeps in solid and sturdy. The high-reflectance fine-grain faceplate lets you see every detail in even bright daylight. Its unique titanium color not only brings a new edge to Fiio’s design outlook but makes the audio player all the more stylish and premium.

    Musically Compatible

    The all-new digital audio architecture used in the new X3 boasts the best decoding technology that makes it compatible with every popular lossless format including FLAC, WAV, WMA, APE, ALAC, AIFF and more. The improved USB DAC+ function supports up to 192 kHz/24 bit audio files and DSD playback.

  • Audiophile Grade Sound

    As a digital audio player, the Fiio X3 brings to you the best of audiophile world with highest quality sound output. It features a 10-band digital equalizer that lets you personalize the sound quality according to you taste. Its four-stage audiophile grade architecture ensures that you get premium uncolored sound that is free from noise and phase distortion. This is achieved by using a fine tuned low-filter along with tantalum capacitors for the analog circuitry. Dual crystal oscillators used reduce the jitter during playback at all sampling rates.

    Expand Your Library

    The Fiio X3 II comes with a MicroSD card slot that allows expanding its memory by up to 128GB. This allows you to store up to 3200 lossless songs of various formats and gives you to the freedom of taking your music library everywhere along with you.

    Fully Equipped

    For the support with all output devices, the X3 comes with a 3.5mm headphone out port that works with all compatible headphones. A coaxial out/Line out port is provided connection with external amplifiers and DACs to power more demanding headphones. Standard USB 2.0 port is also added that provides easy charge and transfer of data.

    Easy and Convenient

    The Fiio X3 Second Generation comes with an all new user interface that makes browsing through your playlist easy and convenient. It comes with six unique themes that allow you to change the environment of the audio player according to your style.

    Long Lasting Power

    The X3 II audio player from Fiio comes packed with a 2600mAh battery that gives a long run time. To further enhance it, the X3 comes loaded with a hibernation mode that supports instant-on of the device. The integrated coulomb meter shows accurate battery power. The power button comes with flushed with the chassis, reducing the chance of an accidental start-up, thus saving more power.

  • Model/Number: X3(X3 2nd gen)

    Headphone Port: Standard 3.5mm Headphone Port

    Color: Titanium

    Drive Ability: 16~150 Ω

    Dimensions: 96.7 mm×57.7 mm×16.1 mm

    Volume Control: 120 steps digital potentiometer

    Weight: 135 g

    Equalizer: 10-band equalizer (±6dB)

    Display Screen : 2.0" TFT screen, 320x240 pixels

    Treble: N/A

    Line Out: Standard 3.5mm Port (Shared line out / S/PDIF coaxial out)

    Bass: N/A

    Digital Out (Coaxial): Standard 3.5mm Port (Shared line out / S/PDIF coaxial out)

    Balance: 5 dB

    USB DAC: Supporting up to 24bit / 192kHz and DSD (driver installation required)

    Gain: 2.6dB(GAIN=L,)8.6dB(GAIN=H)


    Partial Performance Parameters for Line Output

    THD+N: <0.001% (1 kHz) SNR ≥114 dB (A-weight)

    Frequency Response: 20 Hz~20 kHz

    Dynamic Range: ≥101 dB

    Crosstalk: >102 dB (10 KΩ/1 kHz)

    Line Output Level: 1.45 Vrms (10 KΩ/1 kHz)


    Partial Performance Parameters for Headphone Output

    Output Power 1: >224 mW (16 Ω/THD+N<1%)

    Output Power 2: >200 mW (32 Ω/THD+N<1%)

    Output Power 3: >24 mW (300 Ω/THD+N<1%)

    Output Impedance: <0.2 Ω(32Ω)

    Crosstalk: >74 dB (1 kHz)

    THD+N: <0.001% (1 kHz)

    Frequency Response: 20 Hz~20 kHz

    MAX Output Voltage: >7.2 Vp-p

    SNR: ≥113 dB (A-weighted)

    MAX Output Current: >75 mA (For reference)

    Power and Battery

    Power: DC5V 2A recommended

    Battery Capacity: 2600 mAh

    Charge Display Red light indicates , green light turns on after fully charged

    Battery Life: >11 h (32Ω; normal volume with display off )

    Battery Display: Yes (Accurate battery % readings))

    Charging Time: <3 h (DC5V 2A)


    Audio Formats Supported


    DSD: DSD64, DSD128 (.iso&.dsf & .dff);

    APE(Fast): 192 kHz/24 bit;

    APE(Normal): 96 kHz/24 bit;

    APE (High): 96 kHz/24 bit;

    FLAC: 192 kHz/24 bit;

    WAV: 192 kHz/64 bit;

    WMA Lossless: 96 kHz/24 bit;

    Apple Lossless: 192 kHz/24 bit;

    Lossy compression: MP2?MP3?AAC?ALAC?WMA?OGG...