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| 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 | |
