| Models |
M3 Pro |
M3K |
Materials and
ports |
Material |
aluminium alloy+double-sided glass |
aluminium alloy+stalinite |
| Dimensions |
95.8mmx45.4mmx10.4mm |
90.8mm×44.2mm×12mm |
| Weight |
about 70g |
about 77.5g |
| Color |
Black |
Silver/Black |
| Button |
side button+touch screen |
physical button+touch button |
| USB port |
Type-C |
Micro USB |
| Line out |
3.5mm |
/ |
| PO out |
3.5mm |
3.5mm |
| Microphone |
Silicon microphone |
/ |
| TF card |
2TB(theoretically) |
2TB(theoretically) |
| Electronic configuration |
SoC |
Ingenic X1000E |
Ingenic X1000E |
| Display screen |
3.46 inches, RGB340x800 |
2.0 inches, 240x320 |
| Audio DAC |
ES9218PC |
AK4376A |
| Battery capacity |
1000mAh |
1100mAh |
| Performance |
Recommended headphones/ Drive ability |
16~100Ω(recommended) |
16~100Ω(recommended) |
| Output power |
32Ω load：75mW
16Ω load：92mW
300Ω load：8mW |
32Ω load：23mW
16Ω load：46mW
16Ω load：42mW
300Ω load：2.6mW |
| LO noise floor |
≤2μV（A-weighted） |
≤2μV（A-weighted） |
| LO SNR |
117dB |
117dB |
| LO level |
1.55V |
none |
| Crosstalk |
78dB/78dB |
73dB/73dB |
| Balance |
＜0.1dB |
0.1dB |
| Output impedance |
Ro=0.3Ω (32Ω load) |
Ro=0.3Ω (32Ω load) |
| Sample rate&Format |
PCM: 384KHz
DSD: 5.6MHz |
PCM: 384KHz-32bit
DSD: 2.8MHz |
| DSD |
Native DSD128 decoding |
DSD64 decoding |
| File view |
Supported |
Supported |
| Recording |
Supported |
Supported |
| eBook |
Supported |
/ |
| Calculator |
Supported |
/ |
| Gallery |
Supported |
/ |
| Charging time |
＜2 h
(DC5V/2A) |
＜2.5 h
(DC5V/2A) |
| Battery life |
≥15h |
≥24h |
