| Model/Number |
X1(X1 2nd gen) |
X1 |
X3(X3 2nd gen) |
X5(X5 2nd gen) |
| General Specifications |
| Color |
Sliver/Black/Rose gold/Red(limited edition) |
Silver/Gold/Black/Blue |
Titanium/Black/Gold |
Titanium/Black/Gold |
| Dimensions |
97mm×55.5 mm×12 mm |
96.7 mm×57.7 mm×14.1 mm |
96.7 mm×57.7 mm×16.1 mm |
109 mm× 63.5 mm× 15.3 mm |
| Weight |
102 g |
106 g |
135 g |
165 g |
| Display Screen |
TFT 320×240 |
TFT 320×240 |
2.0" TFT screen, 320x240 pixels |
2.4", 262,144 color HD IPS screen
with 400x360 pixels
|
| Line Out |
Standard 3.5mm headphone Port |
Standard 3.5mm headphone Port |
Standard 3.5mm Port
(Shared line out/S/PDIF coaxial out)
|
Standard 3.5mm Port
(Shared line out /S/PDIF coaxial out)
|
| Digital Out (Coaxial) |
N/A |
N/A |
Standard 3.5mm Port
(Shared line out / S/PDIF coaxial out)
|
Standard 3.5mm Port
(Shared line out / S/PDIF coaxial out)
|
| USB DAC |
N/A |
N/A |
Supporting up to 192kHz/24 bit and DSD (driver installation required) |
Supporting up to 192kHz/24 bit and DSD (driver installation required) |
| Headphone Port |
Standard 3.5mm Headphone Port |
Standard 3.5mm Headphone Port |
Standard 3.5mm headphone Port |
Standard 3.5mm headphone Port |
| Drive Ability |
16~100 Ω |
16~100 Ω |
16~150 Ω |
16~150 Ω |
| Volume Control |
100 steps digital potentiometer |
100 steps digital potentiometer |
120 steps digital potentiometer |
120 steps digital potentiometer |
| Treble |
N/A |
N/A |
N/A |
N/A |
| Bass |
N/A |
N/A |
N/A |
N/A |
| Equalizer |
7-band equalizer (±6dB) |
7-band equalizer (±6dB) |
10-band equalizer (±6dB) |
10-band equalizer (±6dB) |
| Balance |
5 dB |
5 dB |
5 dB |
10 dB |
| Gain |
N/A |
N/A |
2.6dB（GAIN=L） |
3.6dB（Gain=L） |
| 8.6dB（GAIN=H） |
9.1dB（Gain=H） |
| Internal Memory |
N/A |
N/A |
N/A |
N/A |
| Expansion Memory (Maximum) |
256 GB |
200 GB |
200 GB |
400 GB (200 GB×2) |
| Chips used |
SoC: JZ4760B |
SoC: JZ4760BS |
SoC: JZ4760B |
SoC: JZ4760B |
| DAC: PCM5242 |
DAC: PCM5142 |
DAC: CS4398 |
DAC: PCM1792A |
| LPF: OPA2322 |
LPF: OPA2322 |
LPF: OPA1642 |
LPF: OPA1612 |
| OP: ISL28291 |
OP: ISL28291 |
OP: OPA1612+LMH6643 |
OP: OPA1612+BUF634 |
| Partial Performance Parameters for Line Output |
| THD+N |
≤ 0.003% (1 kHz) |
＜ 0.003% (1 kHz) |
＜0.001% (1 kHz) |
<0.001%（1 kHz） |
| Frequency Response |
5 Hz~60 kHz (-3dB) |
10 Hz~45 kHz（-3dB） |
10 Hz~55 kHz (-3dB) |
10 Hz~65 kHz (-3dB) |
| Crosstalk |
≥ 101 dB (10 KΩ/1 kHz) |
＞100dB (10 KΩ/1 kHz) |
＞102 dB (10 KΩ/1 kHz) |
＞115 dB (10 KΩ/1 kHz) |
| SNR |
≥115 dB (A-weighted) |
＞110 dB (A-weighted) |
≥114 dB (A-weighted) |
≥114 dB (A-weighted) |
| Dynamic Range |
≥107 dB |
＞104 dB |
>110 dB |
＞110 dB |
| Line Output Level |
1.7 Vrms (10 KΩ/1 kHz) |
1.5 Vrms (10 KΩ/1 kHz) |
1.45 Vrms (10 KΩ/1 kHz) |
1.53 Vrms (10 KΩ/1 kHz) |
| Partial Performance Parameters for Headphone Output |
| Output Power 1 |
>100 mW (16 Ω/THD+N＜1%) |
＞100 mW (16 Ω/THD+N＜1%) |
＞224 mW (16 Ω/THD+N＜1%) |
>436 mW |
| （16Ω/THD+N＜1%) |
| Output Power 2 |
≥ 70 mW (32 Ω/THD+N＜1%) |
＞65 mW (32 Ω/THD+N＜1%) |
＞200 mW (32 Ω/THD+N＜1%) |
>245 mW（32Ω/THD+N＜1%) |
| Output Power 3 |
≥ 8 mW (300 Ω/THD+N＜1%) |
＞8 mW (300 Ω/THD+N＜1%) |
＞24 mW (300 Ω/THD+N＜1%) |
>27 mW |
| （300Ω/THD+N＜1%) |
| Frequency Response |
5 Hz~60 kHz (-3dB) |
10 Hz~45 kHz（-3dB） |
10 Hz~55 kHz (-3dB) |
10 Hz~65 kHz (-3dB) |
| SNR |
≥113 dB (A-weighted) |
≥110 dB ( A-weighted) |
≥113 dB ( A-weighted) |
≥117 dB (A-weighted) |
| Output Impedance |
＜1Ω (32Ω loaded) |
＜0.2 Ω (32Ω loaded) |
＜0.2 Ω (32Ω loaded) |
＜0.2 Ω (32Ω loaded) |
| Crosstalk |
≥72 dB (1 kHz) |
＞70 dB (1 kHz) |
＞74 dB (1 kHz) |
＞75 dB (1 kHz) |
| THD+N |
＜0.003% (1 kHz) |
＜0.003% (1 kHz) |
＜0.001% (1 kHz) |
＜0.001% (1 kHz) |
| Max. Output Voltage |
＞4.0 Vp-p |
＞4.2 Vp-p |
7.2 Vp-p |
＞8.2 Vp-p |
| Max. Output Current |
＞130 mA（For reference） |
＞130 mA (For reference) |
＞75 mA (For reference) |
＞250 mA (For reference) |
| Power and Battery |
| Power |
DC5V 2A recommended |
DC5V 1A recommended |
DC5V 2A recommended |
DC5V 2A recommended |
| 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
|
Red light indicates , green light turns on
after fully charged
|
| Battery Display |
Yes |
Yes |
Yes |
Yes |
| Battery Capacity |
1800 mAh |
1700 mAh |
2600 mAh |
3300 mAh |
| Battery Life |
＞12 h (27Ω open earbuds; volume 39;
display off; EQ off; MP3 44.1kHz/16bit )
|
＞12 h (27Ω open earbuds; volume 39;
display off;EQ off; MP3 44.1kHz/16bit )
|
＞11 h (27Ω open earbuds; volume 58;
display off; EQ off; Gain=L;
MP3 44.1kHz/16bit )
|
≥ 10 h (27Ω open earbuds; volume 56;
display off; EQ off; Gain=L；MP3 44.1kHz/16bit )
|
| Charging Time |
＜3 h (DC5V 2A) |
＜4 h (DC5V 2A recommended) |
＜3 h (DC5V 2A recommended) |
＜4 h (DC5V 2A) |
| Audio Formats Supported |
| Lossless: |
APE(Fast): 192 kHz/24 bit; |
APE (Fast): 192 kHz/24 bit; |
DSD: DSD64, DSD128 (.iso&.dsf & .dff); |
DSD: DSD64, DSD128 (.iso&.dsf & .dff); |
| APE(Normal): 96 kHz/24 bit; |
APE (Normal): 96 kHz/24 bit; |
APE(Fast): 192 kHz/24 bit; |
APE (Fast): 192 kHz/24 bit; |
| APE (High): 96 kHz/24 bit; |
APE (High): 96 kHz/24 bit; |
APE(Normal): 96 kHz/24 bit; |
APE (Normal): 96 kHz/24 bit; |
| FLAC: 192 kHz/24 bit; |
AIFF:192 kHz/24 bit; |
APE (High): 96 kHz/24 bit; |
APE (High): 96 kHz/24 bit; |
| WAV: 192 kHz/32 bit; |
FLAC: 192 kHz/24 bit; |
AIFF:192 kHz/24 bit; |
AIFF: 192 kHz/24 bit; |
| Aiff：192 kHz/32 bit; |
WAV: 192 kHz/64 bit; |
FLAC: 192 kHz/24 bit; |
FLAC: 192 kHz/24 bit; |
| Aif:192 kHz/24 bit; |
WMA 9.1 Lossless: 48 kHz/24 bit; |
WAV: 192 kHz/64 bit; |
WAV: 192 kHz/64 bit; |
|
WMA Lossless: 48 kHz/24 bit
(to be supported by future update);
|
Apple Lossless: 192 kHz/24 bit; |
WMA Lossless: 96 kHz/24 bit; |
WMA9.1 Lossless: 96 kHz/24 bit; |
| Apple Lossless: 192 kHz/24 bit; |
|
Apple Lossless: 192 kHz/24 bit; |
Apple Lossless: 192 kHz/24 bit; |
| Lossy Compression: |
MP3、WMA、OGG... |
MP3、WMA、OGG... |
MP3、WMA、OGG... |
MP3、WMA、OGG... |
