FiiO X5 II ( 2nd Generation)


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FiiO X5 2nd Generation Portable High Fidelity Digital Player

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Technical specifications

Main features:

  • Firmware upgrade: Via micro SD card (formatted in FAT32)
  • Data transfer: Micro USB 2.0 High Speed
  • Song playback: Supporting browsing and playback via folders, All songs, Albums, Artists, Genres, Favorites and Playlists
  • Asynchronous USB DAC: Supporting up to 24bit / 192kHz and DSD (driver installation required)
  • 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(m3u/m3u8) on player; supports deleting Favorites, Playlists, songs and folders on player; supports batch deletion
  • Hibematlon: 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: 5 different built-in themes
  • Playback display: Supporting embedded / external / folder-based album art, lyrics and ID3 display
  • Gapless playback: Supported
  • Output protection: Power supply safety control over analog circuit
  • Equalizer: 10-band equalizer (i6dB)
  • Hearing protection: Playback pauses on headphone disconnection
  • Balance: Max bias 10dB L/R, in 1dB increments
  • On / Off tranSients: Output relay prevents on / off transients

Power: 3300 mAh Battery; Micro USB 2.O Charging port: Micro USB 2.O
External power: computer USB port, USB charger or mobile power bank
Dual micro SD card slots
Storage 256 GB: Supporting up to 256GB (128GBx2)

Headphone port Standard: 3.5mm headphone port

Line out/ Digital out (coaxial): Standard 3.5mm port (shared line out /coax line out / S/PDIF coaxial out)
Status indicators Status LED-Working: blue, charging: red, full charge: green; display screen shows detailed battery info and low battery warning


Supported formats

DSD: Supporting DSD64/128 ( .iso & .dsf & .dff), excluding DST coding.

APE: Up to 24bit / l92kHz (Fast) ; Up to 24bit / 96kHz (Normal)

FLAC: Up to 192 kHz/24 bit at all compression levels

ALAC: Up to 192 kHz/24 bit

WAV: Up to 192 kHz/24 bIt

AIFF: AIFF Up to 192 kHz/24 bit

WMA: Up to 96 kHz/24 bit

AAC: Supporting AAC as used in Apple's iTunes, iPhone, iPod, iPad, etc.

OGG: Supported

MP3: Supported

MP2: Supported


  • Display: 2.4", 400x360 resolution
  • Supported Audio: WAV, FLAC, MP3, OGG, AAC, WMA, ALAC, APE, DSD
  • Sample Rate: 24/192kHz (WAV, DSD, APE, FLAC, ALAC), 24/96kHz (APE, WMA)
  • Output Level: 8V p-p
  • DAC: PCM1792A
  • Charging Interface: Micro USB
  • Dimensions: 67.6mm X 114mm X 15.6mm
  • Weight: 195 g
  • Frequency Response: 20Hz-20kHz (+/-0.1)
  • Signal to Noise Ratio: 115dB
  • Crosstalk: 100dB @10kO @1kHz
  • THD+N: 0.0025%@1kHz
  • Output Impedance: 0.26 Ohm
  • Built-In Memory: N/A
  • External Memory: (x2) microSD (Max 128GB)
  • Battery Capacity: 3700 mAH
  • Charge time: +/- 240 minutes
  • Runtime: approx. 10 hours