Xduoo X3 II VS Fiio X3 MK III
| Support format | DSD64, DSD128, APE, FLAC, WAV, AIFF, WMA, ALAC, DSF,DFF, ISO music format,MP3, Mmaximum support 192kHz/24Bit | DSD128,APE, FLAC, WAV, AIFF, WMA, ALAC, DSF,DFF, ISO music format,MP3, Mmaximum support 384kHz/24Bit |
| DAC | PCM5242 *2 | AK4490 |
| Analog Audio Output | 3.5mm headphone output jack | 3.5mm headphone output jack |
| Balance Output | Supported (2.5mm balanced headphone jack) | No |
| Lineout | Yes | Yes |
| Digital Out (Coaxial) | "Standard 3.5mm Port (Shared line out / S/PDIF coaxial out)" | NO |
| Bluetooth | Bluetooth 4.1,dual mode | Bluetooth 4.0, dual mode , support Aptx |
| Built-in Memory | No | No |
| Gapless | Yes | Yes |
| USB DAC | Up to 192kHz/24bit supported | Up to 192kHz/24bit supported |
| EQ setting | 10 types of EQ | 10 types of EQ |
| Expand Storage | 256GB TF/Micro sd card | 256GB TF/Micro sd card |
| Headphone Output Parameter | 200mW(32Ωload) | 210mW(32Ωload/THD+N<0.0015%) |
| Frequency | 10Hz~55KHz(±0.5dB) | 20Hz~20KHz(±0.15dB) |
| Crosstalk | 74db | >75db |
| S/N | 113db | >=114db |
| Impedence | 16Ω〜150Ω | 16Ω〜300Ω |
| Body Material | Tempered glass+aluminum alloy | CNC aluminum |
| Charging time | <3 hours | <3 hours |
| Weight | 126g | 112g |
| Size | 114mm×59 mm×12.8 mm | 102.5*51.5*14.9mm |
| Battery Capacity | 2600mAh | 2000mAh |
| Battery Life | Around 11 hours | Around 13 hours |
