The titanium X3 (2nd Gen) from Fiio is a portable high resolution audio player and USB-DAC for audio enthusiasts. The unit features an audiophile grade architecture and premium components capable of playing files up to 24-bit/192 kHz in a variety of formats including native DSD, WAV, WMA, ALAC, FLAC, APE, AIFF, and more. The X3-II utilizes a Cirrus Logic CS4398 DAC coupled to a finely tuned low-pass filter offering extremely low noise and phase distortion. Additionally, the tantalum capacitors in the analog circuit provide minimal internal resistance for the best uncolored sound. Dual crystal oscillators ensure the lowest jitter and highest precision playback of music at any sample rate, eliminating conversion artifacts.
The player offers a standard 1/8" / 3.5mm headphone output and a separate line out/digital (coaxial) out via 1/8" / 3.5 mm. The X3II has no on-board memory, but uses a microSD card slot supporting up to 128 GB. The 2600 mAh Li-polymer battery provides up to 11 hours of playback under normal conditions. The user interface (UI) offers six unique themes, while the classic scroll wheel and 2.0" TFT display offer easy navigation, which supports browsing and playback via folders, songs, albums, artists, genres, favorites, and playlists. The 10-band graphic EQ and the 120-step digital volume control allow for custom tailored sound and levels.
The chassis is made of aluminum alloy and features a high reflectance fine-grain faceplate. The X3-II ships with a 3' / 1m high-current micro-USB data/charging cable, an 1/8" / 3.5mm coaxial S/PDIF adapter, a hard-shell case, two screen protectors (1 applied in-factory), and a set of three Bodywork stickers (USA flag, wood grain, and carbon fiber).
- Song Playback - Supports Browsing and Playback via Folders:
- All Songs
- Albums
- Artist
- Genres
- Favorites
- Playlists
- Play Mode: Sequential, Shuffle, Loop Single, Loop All
- Resume After Power Off: Can resume from last song or last position before power off
- Library Management:
- Supports adding and managing favorites and playlists on player
- Supports deleting favorites, playlists, songs and folders on player
- Supports batch deletion
- Hibernation: Player can automatically enter hibernation for instant wake-up / playback with minimal battery drain
- Screen Saver: Custom defined screen timeout time
- CUE Sheet Supported: Supports splitting songs by CUE sheets and skipping though tracks within cue sheet
- Themes: 6 different built-in themes
- Playback Display: Supporting embedded / external / folder-based album art, lyrics and ID3 display
- Gapless playback supported
- Volume Control: 120 steps digital potentiometer
- Output Protection: Power supply safety control over analog circuit
- Gain Setting: Switchable between high and low gain
- Equalizer: 10-band EQ (±6 dB)
- Hearing Protection: Customizable max volume setting to protect hearing
- Balance: Max bias 5 dB L/R (0.5 dB increments)
- On / Off Transients: Output relay prevents on / off transients
- Headphone Detection: Playback pauses on headphone disconnection
- Internal Battery: 2600mAh 3.7V Li-polymer
- Playtime: >11 hours (32 ohms; normal volume with display off)
- Firmware upgrade via microSD card (formatted in FAT32 via the X3)
- Data Transfer: Micro-USB 2.0 high speed