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 |