vs
3.7Battery6.8
Why is QuietComfort Ultra Earbuds (2nd Gen) better than Air 2?
- aptXYes · Air 2: No
- Charging time1 h vs 1.5 h+50%
Why is Air 2 better than QuietComfort Ultra Earbuds (2nd Gen)?
- Battery life6 h vs 9 h+50%
- Hi-res codec (LDAC / aptX HD / LHDC)No · QuietComfort Ultra Earbuds (2nd Gen): Yes
- Water resistance (IPx)IPx4 vs IPx7+75%
- Total with charging case24 h vs 40 h+67%
- LDACNo · QuietComfort Ultra Earbuds (2nd Gen): Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | — | 10 mm |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 4 | 4 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 6 h | 9 h |
| Battery life with ANC | 4 h | — |
| Total with charging case | 24 h | 40 h |
| Battery capacity | — | 40 mAh |
| Charging time | 1 h | 1.5 h |
| Fast charging support | Yes | Yes |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | aptX | LDAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | Yes | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| Low-latency game mode | — | Yes |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 10 g | — |
| Protection rating | IPX4 | IPX7 |
| Water resistance (IPx) | IPx4 | IPx7 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | — |
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