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Model/Number X5 X3 X1
General Specifications
Color Available Black Black Silver and gold
Dimensions 114 mm×67.6 mm×15.6 mm 109 mm×55 mm×16 mm 96.7 mm×57.7 mm×14.1 mm
Weight 195 g 122 g 106 g
Display Screen TFT 400×360 TFT 240×320 TFT 320×240
Analog Audio Output Jack 3.5 mm headphone output jack 3.5 mm headphone output jack 3.5 mm headphone output jack
Digital Audio Output Jack 3.5 mm headphone output jack 3.5 mm headphone output jack /
USB DAC Supports up to 192 kHz/24 bit Supports up to 192 kHz/24 bit /
Phone Out(PO) 3.5 mm headphone output jack 3.5 mm Headphone Output Jack 3.5 mm headphone output jack
Headphone Impedance Range 16~300 Ω 16~300 Ω 16~100 Ω
Volume Control Type 120 levels digital volume control mode 120 levels digital volume control mode 100 levels digital volume control mode
Bass Boost 10 bands graphic EQ -10 dB~+10 dB 7 bands graphic EQ
Treble 10 bands graphic EQ -10 dB~+10 dB 7 bands graphic EQ
Balance 5 dB 5 dB 5 dB
Gain Selection 3.7 dB (GAIN=L)
9.2 dB (GAIN=H)
3.5 dB (GAIN=L)
9.5 dB (GAIN=H)
/
Build-in Memory / 8 GB /
External Memory (Max.) 256 GB (128 GB×2) 128 GB×1 128 GB×1
Partial Performance Parameters for Line Output
THD+N <0.0025% (1 kHz) <0.005% (1 kHz) <0.003% (1 kHz)
Frequency Response 20 Hz~20 kHz 20Hz~20 kHz 20 Hz~20 kHz
Crosstalk >100 dB (10 kΩ/1 kHz) >90 dB (10 kΩ/1 kHz) >100 dB (10 kΩ/1 kHz)
SNR >115 dB (A-Weight) >108 dB (A-Weight) >110 dB (A-Weight)
Dynamic Range >115 dB >103 dB ≥ 110 dB
Line Output Level  1.5 Vrms  1.5 Vrms  1.5 Vrms
Partial Performance Parameters for Headphone Output
Output Power 1 >460 mW (16 Ω/THD+N<1%) >540 mW (16 Ω/THD+N<1%) >100 mW (16 Ω/THD+N<1%)
Output Power 2 >255 mW (32 Ω/THD+N<1%) >270 mW (32 Ω/THD+N<1%) >65 mW (32 Ω/THD+N<1%)
Output Power 3 >28 mW (300 Ω/THD+N<1%) >30 mW (300 Ω/THD+N<1%) >8 mW (300 Ω/THD+N<1%)
Frequency Response 20 Hz~20 kHz 20 Hz~20 kHz 20 Hz~20 kHz
SNR >115 dB (A-Weight) >105 dB (A-Weight) ≥110 dB (A-Weight)
Output Impedance <0.26 Ω <0.3 Ω <2 Ω
Crosstalk >75 dB (1 kHz) >75 dB (1 kHz) >70 dB (1 kHz)
THD+N <0.003% (1 kHz) <0.005% (1 kHz) <0.003% (1 kHz)
MAX Output Voltage >8 Vp-p >8 Vp-p >4.2 Vp-p
MAX Output Current >150 mA(For reference) >250 mA(For reference) >130 mA(For reference)
Power and Battery
Power Recommend DC5V 2A Recommend DC5V 2A Recommend DC5V 1A
Charge Display Red light indicates , green light turns on after fully charged Red light indicates , green light turns on after fully charged Red light indicates , green light turns on after fully charged
Battery Display Yes Yes Yes
Battery Capacity 3700 mAh 3100 mAh 1700 mAh
Battery Life >10 h >10 h >10 h
Charging Time <4 h (recommend DC5V 2A) <4 h (recommend DC5V 2A) <4 h (recommend DC5V 1A)
Audio Format Supported
Lossless:

DSD: 2.8 MHz/1 bit (dff/dsf);

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/64 bit;

WMA9.1 LOSSLESS: 96 kHz/24 bit;

Apple Lossless: 192 kHz/24 bit;

DSD: 2.8 MHz/1 bit (dff/dsf);

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/64 bit;

WMA9.1 LOSSLESS: 96 kHz/24 bit;

Apple Lossless: 192 kHz/24 bit;

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/64 bit;

WMA 9.1 LOSSLESS: 48 kHz/24 bit;

Apple Lossless: 192 kHz/24 bit;

Lossy compression:

MP2、MP3、AAC、ALAC、WMA、OGG....

MP2、MP3、AAC、ALAC、WMA、OGG....

MP2、MP3、AAC、ALAC、WMA、OGG....

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