vs
7.3Battery7.9
5.4Build & features7.8
Why is OpenRun Pro 2 better than Liberty 4 Pro?
- Battery life12 h vs 10 h+20%
Why is Liberty 4 Pro better than OpenRun Pro 2?
- Hi-res codec (LDAC / aptX HD / LHDC)No · OpenRun Pro 2: Yes
- Microphones2 vs 63×
- Highest frequency20,000 Hz vs 40,000 Hz2×
- LDACNo · OpenRun Pro 2: Yes
- Lowest frequency20 Hz vs 14 Hz+43%
Specifications
Side by side
| Sound | ||
| Fit | Bone conduction | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 10.5 mm |
| Lowest frequency | 20 Hz | 14 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | 2 | 6 |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 12 h | 10 h |
| Battery life with ANC | — | 7 h |
| Total with charging case | — | 40 h |
| Battery capacity | 150 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 | 5.3 | 5.3 |
| Bluetooth codecs | 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 | ||
| Weight | 30 g | — |
| Earbud weight (each) | — | 5.5 g |
| Protection rating | IP55 | IPX5 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | Black, Silver, Orange, Blue, Lunar White | Glossy Black, Pearl White, BIue |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
