Why is Liberty 4 better than EAH-AZ80?
- Battery life9 h vs 7 h+29%
- Charging time1 h vs 7 h7×
- aptXYes · EAH-AZ80: No
- Total with charging case28 h vs 25 h+12%
- Earbud weight (each)6 g vs 7 g+17%
Why is EAH-AZ80 better than Liberty 4?
- Hi-res codec (LDAC / aptX HD / LHDC)No · Liberty 4: Yes
- LDACNo · Liberty 4: Yes
- Bluetooth version5 vs 5.3+6%
- Driver size9.2 mm vs 10 mm+9%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 9.2 mm | 10 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 40,000 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 | No | No |
| Transparency / ambient mode | Yes | Yes |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 9 h | 7 h |
| Total with charging case | 28 h | 25 h |
| Charging time | 1 h | 7 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.3 |
| Bluetooth codecs | aptX | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | Yes | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | 6 g | 7 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 |
