vs
4.4Noise control & calls5.8
3.9Battery7.8
2.6Build & features7.9
Why is OpenFit Air better than Liberty 4 Pro?
OpenFit Air has no measurable advantages in this pair.
Why is Liberty 4 Pro better than OpenFit Air?
- Active noise cancellingNo · OpenFit Air: Yes
- Battery life6 h vs 10 h+67%
- Total with charging case20 h vs 40 h2×
- Hi-res codec (LDAC / aptX HD / LHDC)No · OpenFit Air: Yes
- Lowest frequency50 Hz vs 14 Hz3.6×
- Highest frequency16,000 Hz vs 40,000 Hz2.5×
- Water resistance (IPx)IPx4 vs IPx5+25%
- LDACNo · OpenFit Air: Yes
- Earbud weight (each)8.7 g vs 5.5 g+58%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Open-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 10.5 mm |
| Lowest frequency | 50 Hz | 14 Hz |
| Highest frequency | 16,000 Hz | 40,000 Hz |
| Sensitivity | 96 dB | — |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 6 |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 6 h | 10 h |
| Battery life with ANC | — | 7 h |
| Total with charging case | 20 h | 40 h |
| Battery capacity | 40 mAh | — |
| Charging time | 1 h | 1 h |
| Quick charge (claimed) | — | 5 min → 4 h |
| Fast charging support | Yes | Yes |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Bluetooth codecs | AAC, SBC | LDAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 8.7 g | 5.5 g |
| Protection rating | IP54 | IPX5 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | Black, White, Pink | Glossy Black, Pearl White, BIue |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
