vs
9.8Noise control & calls5.8
9.0Battery7.8
Why is Tune Beam 2 Ghost Edition better than Liberty 4 Pro?
- Battery life12 h vs 10 h+20%
- Battery life with ANC10 h vs 7 h+43%
- Total with charging case48 h vs 40 h+20%
Why is Liberty 4 Pro better than Tune Beam 2 Ghost Edition?
- Water resistance (IPx)IPx4 vs IPx5+25%
- Highest frequency20,000 Hz vs 40,000 Hz2×
- Charging time2 h vs 1 h2×
- Lowest frequency20 Hz vs 14 Hz+43%
- Driver size10 mm vs 10.5 mm+5%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 10 mm | 10.5 mm |
| Lowest frequency | 20 Hz | 14 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Impedance | 16 Ω | — |
| Sensitivity | 100 dB | — |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | 6 | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 12 h | 10 h |
| Battery life with ANC | 10 h | 7 h |
| Total with charging case | 48 h | 40 h |
| Battery capacity | 65 mAh | — |
| Charging time | 2 h | 1 h |
| Quick charge (claimed) | 5 min → 1 h | 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 | — | LDAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | — | 5.5 g |
| Protection rating | IP54 | IPX5 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | — | Glossy Black, Pearl White, BIue |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
