Why is X3 Pro better than FreeArc?
- Active noise cancellingYes · FreeArc: No
- Bluetooth version5.4 vs 5.2+4%
Why is FreeArc better than X3 Pro?
- Water resistance (IPx)IPx4 vs IPx7+75%
- Charging time1.5 h vs 0.5 h3×
- Driver size8 mm vs 12 mm+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | — | Open-back |
| Driver type | — | Dynamic |
| Driver size | 8 mm | 12 mm |
| Number of drivers | — | 4 |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 140 Ω |
| Sensitivity | 92 dB | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Battery & charging | ||
| Battery life | 7 h | — |
| Battery life with ANC | 6 h | — |
| Total with charging case | 22 h | — |
| Battery capacity | — | 55 mAh |
| Charging time | 1.5 h | 0.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.2 |
| Bluetooth codecs | SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | — | 8.9 g |
| Protection rating | IP54 | IP57 |
| Water resistance (IPx) | IPx4 | IPx7 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
