Digital audio player FiiO x5
Digital audio player FiiO x5 2Digital audio player FiiO x5 1Digital audio player FiiO x5

Digital Audio Player FiiO X5


When we set out to build the X5 into the most advanced digital music player, we started with a powerful dual core CPU so that it can play the most demanding audio formats such as DSD, APE, FLAC, ALAC, WMA, and WAV, all without a hint of strain, even at 192kHz/24-bit. Furthermore, we added advanced playback controls including song cueing, multi-profile EQ, 120-step volume control, and gapless playback. The X5 handles all of this with ease while rendering a fast and fluid user interface that is amazingly responsive. Powerful is powerful.

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Product Description

FiiO X5 High Resolution Lossless Digital Audio Player

FiiO never rest on their laurels and with the launch of the new FiiO X5 they have well and truly stepped out of the budget audiophile market with a digital audio player (DAP) that is aimed squarely at the mid-fi audiophile who values a high end DAP. With features that are more at home in much more expensive DAPs this is an excellent choice if you enjoy high resolution audio.

Dual-core CPU

The X5 utilises the Ingenics 4760B dual-core 600MHz CPU. With its formidable processing power, the X5 supports all six major lossless music formats – DSD, APE, FLAC, ALAC, WMA and WAV lossless music formats . This is the most complete set of supported formats to date among Hi-Fi DAPs. With the X5, music lovers need not worry about lack of format support or format conversion. The X5 even decodes Apple’s proprietary ALAC format seamlessly.

Dual purpose DAP+DAC

The X5 serves not only as a DAP, but also as a USB DAC when connected to a computer, thus satisfying your music needs in and out of the house. The DAC also supports playback in 192KHz / 24 Bit for that truly high resolution sound.

Quad-balanced power supply

Using a quad balanced power supply the X5 achieves bipolar output without using coupling capacitors. This avoids any coupling noise from capacitors. Power supply reference is very important in order to process a clean signal without any distortion.

Dual Micro-SD (TF) card slots

The X5 features 2 Micro SD card slots and supports up to 128GB (64GB x 2) of cards. There are also plans to support 256GB and 512GB with future firmware upgrades.

Audiophile-grade discrete architecture

Utilising flagship op-amps from major manufacturers discretely for DAC, preamp and amp duties.

  • TI’s top-flight PCM1792A as DAC, with THD<0.000015%
  • 4 OPA1612 used for current / voltage conversion and amplification
  • 2 LMH6643 used for headphone output (X3 and X5 configuration comparison)

10 bands graphic EQ for fine-tuning freedom

Users can adjust the X5’s equalizer according to their preferences, tailoring the X5’s sound output to different headphones and music genres to produce their ideal sound.

All new user-friendly UI

2.4″ IPS color LCD All-new mechanical scroll wheel (using Alps rotary switch components from Japan). All new custom UI forged from years of experience and feedback. Mechanical interface can be operated out of eyesight and shortcut keys allow fast access to essential options. Quick access to songs and batch addition of songs to Favorites collection.

Full set of ports for class-leading connectivity

The X5 comes with three output ports: headphone out, line out and coaxial digital output. Apart from connecting directly to headphones, you can also connect it to other DACs and amps.

Volume control, Gain selection & Output protection

The X5 features 120 levels of digital volume control. Low gain/high gain available to adapt to the different sensitivity levels of headphones and earphones. If the players exceeds the maximum voltage and / or current levels, a relay will switch to protect your headphones / earphones from damage.

Firmware Upgrade

FiiO have released an update to the firmware on the X5 to support DSD and OTG functionality, for more detailed amendments and information, please check out the FiiO website.


  • Supports for almost all formats, including lossless music formats – MP2, MP3, OGG, AAC, WMA, DSD, APE, FLAC, ALAC, WMA and WAV
  • 10 bands graphic EQ for fine-tuning freedom
  • 2 Micro SD card slots with support up to 128GB
  • USB DAC feature which supports playback in 192KHz / 24 Bit


Battery Life 10 hours
Charging Time (approx) 4 hours
EQ Band 10 band graphic EQ
Expandable Memory Yes Micro SD
Frequency Response 20Hz – 20kHz
Weight 195g

Additional Information

Weight 1 kg
Dimensions 30 x 30 x 10 cm


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