| DAC: |
2 x AKM AK4490EN |
| Frequency Response: |
3.5 mm: 5 Hz to 55 kHz (-3 dB) 2.5 mm TRRS (balanced): 5 Hz to 55 kHz (-3 dB) |
| Peak Output Voltage: |
3.5 mm: >8 Vp-p 2.5 mm TRRS (balanced): >7.5 Vp-p |
| Viewing Angle: |
178° |
| DAC Outputs: |
USB, up to 192 kHz/24-bit |
| Dimensions: |
4.5 x 2.6 x 0.6\" (114.2 x 66.2 x 14.8 mm) |
| 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) |
| Storage: |
32 GB (approximately 26 GB available to user) |
| Connector 3: |
3.5 mm headphone out |
| Recommended Headphone Impedance: |
16 to 150 Ohms |
| 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) Lossy: MP3 AAC WMA OGG |
| Resolution: |
800 x 480 |
| Volume Control: |
120 steps, knob-controlled |
| Connector 4: |
2.5 mm balanced headphone out |
| THD+N: |
<0.0009% (1 kHz/10 kOhms) |
| Wi-Fi: |
802.11 b/g/n, 2.4 GHz |
| Bluetooth: |
Version 4.0 with aptX and DLNA |
| Operating System: |
Android 5.1.1 Lollipop |
| Storage Expansion: |
2 x microSDXC |
| Equalizer: |
10-band, ±6 dB, 9 presets + custom preset |
| Connector 5: |
FiiO dock connector |
| RAM: |
1 GB |
| Number of Cores: |
4 |
| Battery Type: |
Lithium-ion polymer (LiPo) |
| Max Output Current: |
3.5 mm: 250 mA (for reference) 2.5 mm TRRS (balanced): >250 mA (for reference) |
| Connector 2: |
3.5 mm line-out/coaxial out |
| CPU: |
Rockship RK3188 |
| Size: |
3.97\" (10.08 cm) |
| THD + N: |
3.5 mm: <0.003% (1 kHz) 2.5 mm TRRS (balanced): <0.003% (1 kHz) |
| USB Power: |
12 VDC/1.5 A, 9 VDC/2 A, 5 VDC/2 A (recommended) |
| Box Dimensions (LxWxH): |
7.25 x 4.4 x 2.05\" |
| Pixel Density: |
233 ppi |
| Colors: |
16.7 million |
| Clock Speed: |
1.4 GHz |
| Signal to Noise Ratio: |
3.5 mm: â¥115 dBA 2.5 mm TRRS (balanced): â¥111 dBA |
| Gain Control: |
Low/high |
| 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) |
| Output Impedance: |
3.5 mm: <1 Ohm (32 Ohms loaded) 2.5 mm TRRS (balanced): <3 Ohm (32 Ohms loaded) |
| Line Level: |
>1.8 Vrms |
| Output Power: |
3.5 mm: Level 1: â¥480 mW (16 Ohms, THD+N <1%) Level 2: â¥250 mW (32 Ohms, THD+N <1%) Level 3: â¥28 mW (300 Ohms, THD+N <1%) 2.5 mm TRRS (balanced): Level 1: â¥400 mW (16 Ohms, THD+N <1%) Level 2: â¥240 mW (32 Ohms, THD+N <1%) Level 3: â¥26 mW (300 Ohms, THD+N <1%) |
| Chipset: |
ARM Cortex A9 |
| Filtering: |
Low Pass: 2 x dual-channel OPA1642 chips Amplification: 2 x OPA246 chip |
| Battery Charge Time: |
12 VDC/1.5 A: Approximately 2 hours 5 VDC/2 A: Approximately 3 hours |
| Connector 1: |
Micro-USB 2.0 |
| Channel Separation: |
3.5mm: >73 dB (1 kHz) 2.5mm TRRS (balanced): â¥98 dB (1 kHz) |
| Dynamic Range: |
>117 dB |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| 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. |
| Audio Player & USB DAC |
| Supports up to 32-Bit / 384 kHz |
| Native DXD and DSD Playback |
| Plays PCM, WAV, FLAC, AAC, MP3, & More |
| 3.97" 800 x 480 IPS Display |
| Dual microSD Card Slots |
| Line/Digital Coax & Dual Headphone Out |
| Dual AKM AK4490EN DAC Chips |
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