vs
5.8Noise control & calls4.4
8.6Battery6.4
8.4Build & features7.4
Why is Liberty Buds 2 better than OpenDots Air?
- Active noise cancellingYes · OpenDots Air: No
- Battery life12 h vs 9 h+33%
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · OpenDots Air: No
- Total with charging case46 h vs 36 h+28%
- LDACYes · OpenDots Air: No
- Microphones6 vs 4+50%
- Earbud weight (each)4.7 g vs 6.3 g+34%
Why is OpenDots Air better than Liberty Buds 2?
- Driver size9.2 mm vs 11.8 mm+28%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 9.2 mm | 11.8 mm |
| Lowest frequency | — | 100 Hz |
| Highest frequency | — | 20,000 Hz |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 6 | 4 |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 12 h | 9 h |
| Battery life with ANC | 7 h | — |
| Total with charging case | 46 h | 36 h |
| Charging time | — | 2 h |
| Quick charge (claimed) | 10 min → 4 h | 10 min → 2 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6.1 | 6.1 |
| Bluetooth codecs | LDAC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | — | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | 4.7 g | 6.3 g |
| Protection rating | IP55 | IP55 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | Silver White, Glossy Black | OpenDots Air Daybreak Purple, OpenDots Air Black |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
