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FIIO X1II (X1 2nd gen)

FIIO X1II (X1 2nd gen) - X1 2nd gen

FIIO X1 2nd Gen Bluetooth high resolution lossless Portable music player


  • Bluetooth: Bluetooth V4.0 Dual Model Bluetooth V4.0
  • Touch wheel: Supported
  • In-line Remote Control: Supported (Does not support volume control of Apple Earpods)
  • Firmware upgrade: Via micro SD card
  • External Storage: 256GB Micro SD card supports up to 256GB
  • Data transfer: 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/Single/Loop all
  • Resume after power off: 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
  • Display brightness: Adjustable
  • Cue sheet support: Support splitting songs by CUE sheets, skipping through tracks within cues sheet, fast forward and rewind
  • Album cover: Full screen display option and Normal display option
  • Playback display: Supporting lyrics and ID3 display
  • Playback interval: Gapless playback (to be supported by future firmware) / Fade in & out/off
  • Volume control: 100 steps digital potentiometer
  • Delete current file: Supported (single track CUE file deletion not supported)
  • Output protection: Automatic power off when output current is abnormal
  • Output selection: Line out/Headphone
  • Volume setting: Customizable volume setting when power-on
  • Hearing protection: Customizable max volume setting to protect hearing
  • Balance: L10~R10
  • On/off transients: MOS switch and low-distortion analogue switch SGM3712 prevent on/off transients
  • Port detection: Automatically pause music playback on headset disconnect
  • Internal battery: 1800mAh 3.7V Li-polymer
  • Charging current: up to 500mA via computer USB port, up to 1.5A via 2A USB charger (charging time approx.3h)
  • Play time: Approx. 12h with headphone out (can be improved with future firmware update), 15h on Bluetooth
  • Chips used: SOC lngenic JZ4760B, DAC: PCM5242,
  • Headphone amplifier chip: ISL28291, LPE: OPA2322

General Specifications

  • Model/Number:  X1 2nd gen / FX1221     
  • Headphone out (PO):  3.5mm headphone output jack
  • Headphone Impedance Range: 16~100 Ω
  • Dimensions: 97mm×55.5 mm×12 mm      
  • Volume control type: 100 steps digital potentiometer
  • Weight: 102 g      
  • Display Screen:  TFT 320×240
  • Treble: N/A
  • Analog Audio Output Jack(LO): 3.5 mm headphone output jack
  • Balance:  5 dB
  • Equalizer: 7-band equalizer (±6dB)
  • Chips used: SoC: JZ4760B,   DAC: PCM5242,    LPF: OPA2322,    OP: ISL28291

Partial Performance Parameters for Line Output

  • THD+N: ≤ 0.003% (1 kHz)
  • SNR: ≥115 dB  (A-weighted)
  • Frequency Response: 5 Hz~60 kHz (-3dB)     
  • Dynamic range: ≥107 dB
  • Crosstalk: ≥ 101 dB (10 KΩ/1 kHz)   
  • Line output Level: 1.7 Vrms (10 KΩ/1 kHz)

Partial Performance Parameters for Headphone Output

  • Output Power 1: > 100 mW (16 Ω/THD+N1%)
  • Output Power 2: ≥ 70 mW (32 Ω/THD+N1%)
  • Output Power 3:≥ 8 mW (300 Ω/THD+N1%)
  • Output Impedance: 32Ω loaded
  • THD+N: ≤ 0.003% (1 kHz)
  • Crosstalk: ≥72 dB (1 kHz)
  • Frequency Response: 5 Hz~60 kHz (-3dB)
  • MAX output voltage: 4.0 Vp-p
  • SNR: ≥113 dB (A-weighted)
  • MAX output current: 130 mAFor reference

Power and Battery

  • Power: Recommend DC5V 2A
  • Battery Capacity: 1800 mAh
  • Charge Display: Red light indicates, green light turns on after fully charged
  • Battery Display: Yes
  • Battery Life: 12 h
  • Charging Time: 3 h (DC5V 2A)

Audio Format Supported


  • 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/32 bit;
    192 kHz/32 bit;
    Aif:192 kHz/24 bit;
    WMA Lossless: to be supported by future update;
    Apple Lossless: 192 kHz/24 bit;

Lossless compression

  • Frequency Response diagram of curves.
    Test condition
    Play -5 dB sinusoidal signal, VOL=MAX, Lineout (10kΩ loaded)
    Blue curve: Left channel, Red curve: Right channel


  • 1m high-current micro USB data / charging cable
  • Transparent Clear case:
  • 2pcs Screen protector (1 applied in factory)
  • 2sets Bodywork sticker
  • Hi-Res sticker
  • Fiio X1II

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Due to the impact of the COVID-19 pandemic, global international shipping will delays. The delay at our Hong Kong post office is very serious, so we have changed to other fastest or most efficient international shipping. Now the normal estimated delivery time may be delayed by about 1-2 weeks. In some countries where is higher free-tax rate, we will provide free courier service as much as possible.

Free Shipping

All listed items will be shipped though Registered Airmail with tracking number if there is no extra shipping method option listed or shipping description in the product page.

Economy shipping: Will be shipped without tracking number.

Registered Airmail : Will be shipped via such as Hong Kong post , Deutsche Post , Netherlands Post , Singapore Post, you can leave us a message if you have any requirement about the shipping method .

It will be shipped via Hong Kong Post by default, Europe countries can choose to be shipped via Deutsche Post or Netherlands Post, it is also FREE, pls leave us a message if needed.

Express service: Will be shipped via DHL/EMS/UPS/FedEx

  • Views: 48915
  • Brand: FiiO
  • Product Code: X1 2nd gen
  • Availability: In Stock
  • $120.00

Available Options

Tags: FIIO X1II (X1 2nd gen), Bluetooth V4.0, Dual Model Bluetooth