X5-IIIB - Fiio Media Player X5-IIIB X5 3rd Gen Portable High-Resolution Audio Player Black Retail

Main Unit
Name / Model No.: X5 3rd gen (FX5321)
Operating System: Deeply customized Android 5.1.1
CPU Model: RK3188
No. of cores: 4
CPU operating frequency: 1.4GHz
DAC: AK4490
Keyboard: Virtual QWERTY keyboard
Input method: Touchscreen
Special features: Dual Android / Pure Music operating modes, symmetrical remappable keys, USB DAC, docking connector, etc.
User Interface: Android 5.1.1 / FiiO Music
Chips used: SoC: RK3188 DAC: AK4490x2, LPF: OPA1642x2, OP: Customized OPA426x2 Connectivity
WIFI: 2.4GHz IEEE802.11 b/g/n standards supported
Bluetooth: Bluetooth V4.0,aptX supported
USB: Micro USB2.0 Display screen
Display size: 3.97 inches
Number of colours: 16.7 million colors
Display type: IPS TFT
Viewable angle: 178^o
Resolution: 480x800
Pixel density: 233 ppi
Touchscreen: Yes Storage
RAM: 1GB
Total ROM: 32GB
Storage expansion type: Micro SD
ROM available to user: About 26G
Maximum storage expansion: 512GB (256GB x 2) Buttons and ports
Buttons: Side buttons + side volume wheel+ touchscreen
Custom key mapping: N/A
Headphone out: 3.5mm standard headphone output jack
Balanced output: Supported (2.5mm balanced headphone jack)
Line out: Standard 3.5mm port (shared LO/Coaxial out)
USB connection: Micro USB2.0 (charging / data transfer / docking function / USB DAC)
Digital Coaxial out: Standard 3.5mm port(shared LO/Coaxial out) General
Color: Black
Volume control: 120 steps +/- button control (via analog-domain controller
Recommended headphone impedance: 16-150 Omega
Equalizer: 10-band EQ (+/-6dB), 9 presets+custom preset, ViPER Effect
Bass boost: N/A
Treble boost: N/A
Balance control: 10 dB
Gain control: Low/High
USB DAC: Up to 192kHz/24bit supported Power specifications
USB power adapter: DC 12/1.5A, 9V/2A, 5V/2A recommended
Battery: Internal 3400 mAh High-voltage quick charging Li-polymer battery
Charging indication: via LCD display and pulse LED
Charging time: less than 2 h (DC 12V/1.5A)
less than 3 h (DC 5V/2A)
Battery indication: Yes (accurate battery % readings) Battery Life and Test Conditions
3.5mm headphone outputmore than 10 h
Volume: 46
Gain: High
Load: M3 open earbuds (27 Omega)
Screen: OFF
Test File: MP3 44.1kHz/16bit
EQ: OFF
2.5mm TRRS balanced headphone outputmore than or equal 8 h
Volume: 48
Gain: High
Load: 32 Omega
Screen: OFF
Test File: MP3 44.1kHz/16bit
EQ: OFF Others
Firmware Upgrade: supported both via zip file and OTA
Font size: Changeable
Third-party apps support: No limit (recommended to install the apps listed on FiiO Market) Line output specifications
THD+N: less than 0.0009% (1 kHz/10kOmega)
SNR: more than or equal 120 dB (A-weighted)
Frequency response: 5 Hz-55 kHz-3dB
Dynamic range: more than 117 dB
Channel separation: more than98 dB (1 kHz)
Line level: more than1.8Vrms Headphone out specifications (3.5mm headphone out jack)
Output power 1: more than or equal 480 mW16 Omega / THD+N less than 1%)
Output impedance: less than1 Omega (32 Omega loaded)
Output power 2: more than or equal 250 mW32 Omega /THD+N less than 1%)
Channel separation: more than 73 dB (1 kHz)
Output power 3: more than or equal 28 mW300 Omega / THD+N less than 1%)
THD+N: less than 0.003% (1 kHz)
Frequency response: 5 Hz-55 kHz-3dB
Peak output voltage: more than 8 Vp-p
SNR: more than or equal 115 dB (A-weighted)
Max. output current: 250mA (For reference) Balanced headphone out specifications (2.5mm TRRS headphone out jack)
Output power 1: more than or equal 400 mW16 Omega / THD+N less than 1%)
Output impedance: less tham 3 Omega (32 Omega loaded)
Output power 2: more than or equal 240 mW32 Omega /THD+N less than 1%)
Channel separation: more than or equal 98 dB (1 kHz)
Output power 3: more than or equal 26 mW300 Omega / THD+N less than 1%)
THD+N: less than 0.003% (1 kHz)
Frequency response: 5 Hz-55kHz-3dB
Peak output voltage: more than7.5 Vp-p
SNR: more than or equal 111 dB (A-weighted)
Max. output current: more than 250 mA (For reference) File format support
Lossless:
DSDDSD64/128".iso", ".dsf", ".dff"
DXD352.8K
APE FAST/High/Normal384kHz/24bitMAX
APE Extra High192kHz/24bitMAX
APE Insane48kHz/24bitMAX
Apple Lossless384kHz/24bitMAX
AIFF384kHz/24bitMAX
FLAC384kHz/24bitMAX
WAV384kHz/32bitMAX
WMA LOSSLESS96kHz/24bitMAX
Lossy compression:
MP3, WMA, OGG...
Item Dimension (L"xW"xH")
7 x 5 x 3

Weight
1.05 lbs

Warranty Information
Limited 1-Year Warranty