FIIO X5 III Portable Music Player

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  • Regular price $349.99
  • $299.99

FIIO X5 III Portable Music Player

The Titanium X5 (3rd 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 32-bit/384 kHz in a variety of formats including native DSD, DXD, WAV, WMA, ALAC, FLAC, APE, AIFF, and more.

The X5 utilizes a pair of AKM AK4490EN DAC chips coupled to two dual-channel OPA1642 LPF chips and an OPA426 amplification chip for improved dynamic performance. Dual crystal oscillators ensure the lowest jitter and highest precision playback of music at any sample rate, reducing conversion artifacts.

The player offers a 3.5mm single-ended headphone output and a separate 3.5mm line out/digital (coaxial) output. A 2.5mm balanced headphone output lets you use the headphones of your choice. The third-edition X5 has 32GB of onboard memory, which can be augmented with two microSDXC card slots. The 3400mAh lithium-ion polymer battery provides up to 10 hours of playback under normal conditions. The Android-based user interface offers five unique themes, while the 2.4" IPS color touchscreen display offers easy navigation. The 10-band graphic EQ and the 120-step digital volume control allow for custom-tailored sound and levels.

The X5-III body is made from No. 180 zirconium sand with stainless steel accents, with a dot matrix pattern on the front and a star pattern on the back. The player ships with a USB cable, coaxial digital adapter cable, a clean case, a leatherette case, and a pre-applied tempered glass screen protector.


Dual DACs

The X5 3rd gen has one 32-bit AKM AK4490EN DAC per channel, each of which supports all PCM and DSD formats. AKM's VELVET SOUND low-distortion architecture includes digital filtering with 32-bit processing for accurate sound reproduction.


Dual Crystal Oscillators

Two crystal oscillators, one for DSD/44.1/88.2/176.4/352.8 kHz sampling rates and the other for 48/96/192/384 kHz sampling rates, for reduced jitter and sampling rate conversion artifacts and improved clock accuracy.


Four-Way Low Pass Filtering

Two dual-channel OPA1642 low-pass filtering chips and dual custom OPA426 amplification chips combine to provide up to 300mW under a 32-Ohm load and improved capacitive load ability.


Dual Headphone Jacks

Along with a 3.5mm line-out/coaxial-out jack, the third-generation X5 has a standard single-ended 3.5mm headphone jack and a 2.5mm balanced TRRS headphone jack.


Wireless Connectivity

The third-gen X5 has 2.4 GHz 802.11 b/g/n Wi-Fi for connecting to wireless LANs and Bluetooth 4.0 with aptX and DLNA for connecting to other devices.

The micro-USB port enables use as a USB DAC for your computer or as a transport, outputting digital signals to an external DAC.


Android 5.1 Lollipop and Pure Music Mode

The X5's version of Android 5.1 has been customized by FiiO with a new audio software architecture to prevent third-party Android apps from automatically converting sample rates.

The player can also be switched into Pure Music Mode, which switches off all apps other than the main music player for smooth operation and improved sound.


Volume Knob

The physical volume knob is recessed slightly to avoid changes in your pocket and has 45° grooves for quickly moving through 120 steps of volume control.


Battery and Charging

The 3.8V 3400mAh battery lasts for approximately 10 hours when using the 3.5mm headphone jack and approximately 8 hours when using the 2.5mm jack. It can be charged at the standard BC 1.2 USB rate but also at 9 or 12 V rapid charging at a rate of up to 1.2A for a complete fill in as little as two hours.

FiiO X5 Specs

Operating System Android 5.1.1 Lollipop
Chipset ARM Cortex A9
CPU Rockship RK3188
Number of Cores 4
Clock Speed 1.4 GHz
Storage 32 GB (approximately 26 GB available to user)
Storage Expansion 2 x microSDXC
DAC 2 x AKM AK4490EN
Oscillators 1 x 22.5792 MHz (DSD / 44.1 / 88.2 / 176.4 /352.8 kHz)
1 x 22.576 MHz (48 / 96 / 192 / 384 kHz)
Filtering Low Pass: 2 x dual-channel OPA1642 chips
Amplification: 2 x OPA246 chip
Recommended Headphone Impedance 16 to 150 Ohms
DAC Outputs USB, up to 192 kHz/24-bit
Software & Features
Volume Control 120 steps, knob-controlled
Gain Control Low/high
Equalizer 10-band, ±6 dB, 9 presets + custom preset
File Formats Lossless:
DSD: DSD64/128 (.iso, .dsf, .dff)
DXD: 352.8K
APE FAST/High/Normal: 384 kHz/24-bit (max)
APE Extra High: 192 kHz/24-bit (max)
APE Insane: 48 kHz/24-bit (max)
Apple Lossless: 384 kHz/24-bit (max)
AIFF: 384 kHz/24-bit (max)
FLAC: 384 kHz/24-bit (max)
WAV: 384 kHz/32-bit (max)
WMA LOSSLESS: 96 kHz/24-bit (max)

Wi-Fi 802.11 b/g/n, 2.4 GHz
Bluetooth Version 4.0 with aptX and DLNA
Connector 1 Micro-USB 2.0
Connector 2 3.5 mm line-out/coaxial out
Connector 3 3.5 mm headphone out
Connector 4 2.5 mm balanced headphone out
Connector 5 FiiO dock connector
Type IPS TFT touchscreen
Size 3.97" (10.08 cm)
Resolution 800 x 480
Pixel Density 233 ppi
Viewing Angle 178°
Colors 16.7 million
Line Output
Frequency Response 5 Hz to 55 kHz (-3 dB)
THD+N <0.0009% (1 kHz/10 kOhms)
Signal to Noise Ratio ≥120 dBA
Dynamic Range >117 dB
Line Level >1.8 Vrms
Channel Separation >98 dB (1 kHz)
Headphone Output
Output Power 3.5 mm:
Level 1: ≥480 mW (16 Ohms, THD+N <1%)
Level 2: ≥250 mW (32 Ohms, THD+N <1%)
Level 3: ≥28 mW (300 Ohms, THD+N <1%)
2.5 mm TRRS (balanced):
Level 1: ≥400 mW (16 Ohms, THD+N <1%)
Level 2: ≥240 mW (32 Ohms, THD+N <1%)
Level 3: ≥26 mW (300 Ohms, THD+N <1%)
Frequency Response 3.5 mm: 5 Hz to 55 kHz (-3 dB)
2.5 mm TRRS (balanced): 5 Hz to 55 kHz (-3 dB)
THD + N 3.5 mm: <0.003% (1 kHz)
2.5 mm TRRS (balanced): <0.003% (1 kHz)
Signal to Noise Ratio 3.5 mm: ≥115 dBA
2.5 mm TRRS (balanced): ≥111 dBA
Channel Separation 3.5mm: >73 dB (1 kHz)
2.5mm TRRS (balanced): ≥98 dB (1 kHz)
Output Impedance 3.5 mm: <1 Ohm (32 Ohms loaded)
2.5 mm TRRS (balanced): <3 Ohm (32 Ohms loaded)
Peak Output Voltage 3.5 mm: >8 Vp-p
2.5 mm TRRS (balanced): >7.5 Vp-p
Max Output Current 3.5 mm: 250 mA (for reference) 
2.5 mm TRRS (balanced): >250 mA (for reference)
USB Power 12 VDC/1.5 A, 9 VDC/2 A, 5 VDC/2 A (recommended)
Battery Type Lithium-ion polymer (LiPo)
Battery Capacity 3400 mAh
Battery Life 3.5 mm Output: Up to 10 hours (27 Ohms M3 open earbuds, volume level 48, 44.1 kHz/16-bit MP3 file, high gain, screen off, EQ off)
2.5 mm Output: Up to 8 hours (32 Ohms, volume level 48, 44.1 kHz/16-bit MP3 file, high gain, screen off, EQ off)
Battery Charge Time 12 VDC/1.5 A: Approximately 2 hours
5 VDC/2 A: Approximately 3 hours
Weight & Dimensions
Dimensions 4.5 x 2.6 x 0.6" (114.2 x 66.2 x 14.8 mm)
Weight 6.6 oz (186.0 g)
Packaging Info
Package Weight 1.1 lb
Box Dimensions (LxWxH) 6.9 x 4.3 x 2.1"