vs
7.2Noise control & calls4.6
2.9Battery6.5
Why is ZE8000 MK2 better than Liberty 4?
- Active noise cancellingYes · Liberty 4: No
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · Liberty 4: No
- Bluetooth version5.2 vs 5+4%
- Highest frequency44,000 Hz vs 40,000 Hz+10%
Why is Liberty 4 better than ZE8000 MK2?
- Battery life5 h vs 9 h+80%
- Charging time1.5 h vs 1 h+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 9.2 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 44,000 Hz | 40,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 91 dB |
| Spatial / 3D audio | — | Yes |
| Head tracking | — | Yes |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 5 h | 9 h |
| Total with charging case | — | 28 h |
| Charging time | 1.5 h | 1 h |
| Wireless charging (case) | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5 |
| Bluetooth codecs | aptX Adaptive, aptX, AAC, SBC | aptX |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | Yes | Yes |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | — | 6 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Colours | — | Cloud White, Sky Blue, Nova Red, Midnight Black |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
