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General Specifications
Model/Number X5 Phone Out (PO) 3.5 mm headphone output jack
Color Available Black Headphone Impedance Range 16~300 Ω
Dimensions 67.6  mm×114  mm×15.6  mm Volume Control Type 120 levels digital volume control mode
Weight 195 g Bass Boost 10 bands graphic EQ
Display Screen IPS 400×360 Treble 10 bands graphic EQ
Analog Audio Output Jack 3.5 mm headphone output jack Balance 5 dB
Digital Audio Output Jack 3.5 mm headphone output jack Gain Selection 0/6 dB
USB DAC Supports up to 192 kHz/24 bit    
partial performance parameters for line output
THD+N <0.0025% (1 kHz) SNR >115 dB(A-Weight)
Frequency Response 20 Hz~20 kHz Dynamic Range >110 dB
Crosstalk >100 dB (10 kΩ/1 kHz) Line Output Level >1.5 Vrms
Part of the Performance Parameter of Phone out
Output Power 1 >460mW (16 Ω/THD+N<1%) Output Impedance <0.26 Ω
Output Power2 >255mW (32 Ω/THD+N<1%) Crosstalk >75 dB (1 kHz)
Output Power3 >28mW (300 Ω/THD+N<1%) THD+N <0.003% (1 kHz)
Frequency Response 20 Hz~20 kHz MAX Output Voltage >8 Vp-p
SNR >115 dB (A-Weight) MAX Output Current >150 mA(For reference)
Power and Battery
Power

recommend DC5V 2A

Battery Capacity 3700 mAh
Charge Display red light indicates , green light turns on after fully charged Battery Life >10 h (firmware un-upgrated)
Battery Display Yes Charging Time <4 h
Audio Format Supported
Lossless:

APE (Fast): 192 kHz/24 bit;

APE (Normal): 96 kHz/24 bit;

APE (High): 96 kHz/24 bit;

FLAC: 192 kHz/24 bit;

AIFF: 192 kHz/24 bit;

WAV: 192 kHz/64 bit;

WMA 9.1 LOSSLESS: 96 kHz/24 bit;

Apple Lossless:192 kHz/24 bit;

Lossy compression: MP2、MP3、AAC、ALAC、WMA、OGG... ...

 

 

Frequency Response diagram of curves.

Test condition:play -5 dB sinusoidal signal, headphone output

Red curve: Left channel , Blue curve: Right channel

Frequency Response diagram of curves.

Test condition:play -5 dB sinusoidal signal,Line output

Red curve: Left channel , Blue curve: Right channel

Distortion diagram of curves.
Test condition:play
 -5 dB sinusoidal signal,Line output

Distortion diagram of curves.
Test condition:play -5 dB sinusoidal signal,headphone output

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