FiiO X3K X3 2nd Gen Portable High Resolution Lossless Music Player Dual Crystal Oscillators

SKU: FN241
Price: US$169.98
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  • Dual crystal oscillators
  • All-new digital audio architecture
  • Further improved USB DAC+ fundction
  • Audiophile-grade architecture and components




Dual Crystal Oscillators
Dual crystal oscillators decicated to multiples of 44.1 and 48KHz respectively,
ensuring lowest jitter and highest precision for playback of music at all sample rates and eliminating all conversion artifacts


Audiophile-grade architecture and components
Utilizing Cirrus Logic's top-flight CS4398 DAC coupled with our painstakingly tuned low-pass filter, the X3 realizes extremely low noise and phase distortion; also utilzing premium tantalum capacitors in the analog circuit for minimum internal resistance for the best uncolored sound.


Further Improved USB DAC+ Function
Supporting up to 192KHz/24Bit audio as well as DSD palyback + ASIO driver installation required for windows computers(plug-and-play on Macs) via DSD plugin on windows computers

Supporting CTIA Standard inline Remotes on Earphones (Apple, Samsung etc.)
10-band EQ, AND USER-DEFINED PLAYLIST(.m3u/m3u8)


All-new Power Management Features
Supporting hibernation mode (power consumption<5mA) for instant-on playback
Coulomb meter integrated in battery for accurate batter% readings.
Power button flush with chassis avoids accidental activation whil emaining easy to press
Volume+ button includes tactile marker for easy operation even in your pocket.


Better Build Quality than ever
With all-meter chassis and high reflectance fine-grain faceplate bringing fit and finish to another level.
Unique titanium color brings fresh appearance to the FiiO product.

All New UI (User Interface) Design
With classic scroll wheel operation
Six unique UI themes to choose from


Complete Set of Ports
Standard 3.5mm headphone out and composite coaxial/line out port, for connection to external amps/DACs etc. Standard micro USB2.0 port for charging and data transfer, and for docking to future FiiO equipment.


Micro SD Card Slot
Supports the largest currenct cards (currently 128GB)
Approx 3200 lossless songs of various formats (44.1KHz/16Bit, 4Min, 40MB)


Full set of accessories available
Matching leatherette case/cover, clear protective case, stacking kit for external amps/DACs, line out cable, etc.




General Parameters:
Model/Number: X3(X3 2nd gen)
Color: Titanium
Dimensions: 96.7 mm×57.7 mm×16.1 mm
Weight: 135 g Equalizer 10-band equalizer (±6dB)
Display Screen: 2.0" TFT screen, 320x240 pixels
Line Out: Standard 3.5mm Port (Shared line out / S/PDIF coaxial out)
Digital Out (Coaxial): Standard 3.5mm Port (Shared line out / S/PDIF coaxial out)
USB DAC: Supporting up to 24bit / 192kHz and DSD (driver installation required)
Headphone Port: Standard 3.5mm Headphone Port
Drive Ability: 16~150 Ω
Volume Control: 120 steps digital potentiometer
Treble: N/A
Bass: N/A
Balance: 5 dB
Gain: 2.6dB(GAIN=L)


Partial Performance Parameters for Line Output:
THD+N: <0.001% (1 kHz)
Frequency Response: 20 Hz~20 kHz
Crosstalk: >102 dB (10 KΩ/1 kHz)
SNR: ≥114 dB (A-weight)
Dynamic Range: ≥101 dB
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%)
Frequency Response: 20 Hz~20 kHz
SNR: ≥113 dB (A-weighted)
Output Impedance: <0.2 Ω(32Ω)
Crosstalk: >74 dB (1 kHz)
THD+N: <0.001% (1 kHz)
MAX Output Voltage: >7.2 Vp-p
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 Display: Yes (Accurate battery % readings))
Battery Life: >11 h (32Ω; normal volume with display off )
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:


Main Features:
Firmware upgrade: Via micro SD card (formatted in FAT32 via the X3)
Data transfer: Micro USB2..0 High Speed
Song playback: Supporting browsing and playback via folders, all songs, albums, artists, genres, favorites and playlists.
Play mode: Sequential/ Shuffle/ Loop single/ Loop all
Resume after poweroff: Can resume from last song or last position before poweroff
Library management: supports adding and managing favorites, playlists on-player
supports deleting favorites, playlists, songs and folders on player
supports batch deletion
Hibernation: player can automatically enter hibernation for instant wakeup/playback with minimal battery drain.
Screen saver: Custom defined screen timeout time
CUE Sheet Supported: Supports splitting songs by CUE sheets and skipping through tracks within cuesheet
Themes: 6 different built-in themes
Playback display: Supporting embedded/ external/ folder-based album art, lyrics and ID3 display
Gapless playback: Suppported
Volume control: 120 steps digital potentiometer
Oouput protection: Power supply safety control over analog circuit
Gain setting Switchable between high and low gain
Equalizer: 10 band equalizer ±6dB)
Hearing protection: Customizable max volume setting to protect hearing
Balance: Max bias 5dB L/R, in 0.5dB increments
On/Off transients: Output relay prevents on/ off transients
Headphone detection: plaback pauses on headphone disconnection
Internal battery: 2600 mAh 3.7V Li-polymer
Charging current: 450mA via computer USB port(charging time approx. 8h)
1.3A via 2A USB charger (charging time approx. 3h)
Play time: > 11 h (32 ohms; normal volume with display off)
Chips used: SoC: JZ4760B, DAC: CS4398, LPF: OPA1642, OP: OPA1642 + LMH6643




1 x X3 2nd Gen Player
1 x Cable (1m high-current micro USB data/charging cable, 3.5mm coaxial S/PDIF adapter)
1 x Black Silicone Case
2 x Screen Protectors (2 included, 1 applied in factory)
1 x Warranty Card
1 x Quick Start Gide
1 x Quick Reference Sheet
3 sets x Bodywork Stickers


Frequency Response diagram of curves 1.
Test condition:play -5 dB sinusoidal signal, DSD, headphone output
Green curve: Left channel , Blue curve: Right channel.

Frequency Response diagram of curves 2.
Test condition:play -5 dB sinusoidal signal, DSD, Line out.
Green curve: Left channel , Blue curve: Right channel.

Frequency Response diagram of curves 3.
Test condition:play -5 dB sinusoidal signal,PCM, headphone output
Green curve: Left channel , Blue curve: Right channel.

Frequency Response diagram of curves 4.
Test condition:play -5 dB sinusoidal signal,PCM, Line out.
Green curve: Left channel , Blue curve: Right channel.

Distortion diagram of curves 1.
Test condition:play -5 dB sinusoidal signal,DSD, Headphone output.



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