vs
5.6Noise control & calls5.9
3.8Battery7.8
2.3Build & features7.9
Why is QuietComfort Ultra Earbuds (2nd Gen) better than Liberty 4 Pro?
- aptXYes · Liberty 4 Pro: No
Why is Liberty 4 Pro better than QuietComfort Ultra Earbuds (2nd Gen)?
- Battery life6 h vs 10 h+67%
- Hi-res codec (LDAC / aptX HD / LHDC)No · QuietComfort Ultra Earbuds (2nd Gen): Yes
- Battery life with ANC4 h vs 7 h+75%
- Total with charging case24 h vs 40 h+67%
- Water resistance (IPx)IPx4 vs IPx5+25%
- LDACNo · QuietComfort Ultra Earbuds (2nd Gen): Yes
- Earbud weight (each)10 g vs 5.5 g+82%
- Microphones4 vs 6+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 10.5 mm |
| Lowest frequency | — | 14 Hz |
| Highest frequency | — | 40,000 Hz |
| Spatial / 3D audio | Yes | Yes |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 4 | 6 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 6 h | 10 h |
| Battery life with ANC | 4 h | 7 h |
| Total with charging case | 24 h | 40 h |
| Charging time | 1 h | 1 h |
| Quick charge (claimed) | — | 5 min → 4 h |
| Fast charging support | Yes | Yes |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | aptX | LDAC |
| 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) | 10 g | 5.5 g |
| Protection rating | IPX4 | IPX5 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | — | 5 |
| Colours | — | Glossy Black, Pearl White, BIue |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
Related comparisons
vs
Apple AirPods 5vsBose QuietComfort Ultra Earbuds (2nd Gen)6.44.8vs
Bose QuietComfort Ultra Earbuds (2nd Gen)vsSony WF-C710N4.87.0
vsApple AirPods Pro 3vsBose QuietComfort Ultra Earbuds (2nd Gen)9.04.8vs
Bose QuietComfort Ultra Earbuds (2nd Gen)vsHuawei FreeBuds Pro 54.89.3vs
Bose QuietComfort Ultra Earbuds (2nd Gen)vsRick and Morty Space Cruiser TWS-Ohrhörervs
Bose QuietComfort Ultra Earbuds (2nd Gen)vsGoogle Pixel Buds Pro 24.88.3