vs
5.6Noise control & calls6.0
3.8Battery5.7
2.4Build & features3.8
Why is QuietComfort Ultra Earbuds (2nd Gen) better than EAH-AZ100?
- Charging time1 h vs 2 h2×
- aptXYes · EAH-AZ100: No
Why is EAH-AZ100 better than QuietComfort Ultra Earbuds (2nd Gen)?
- Battery life6 h vs 8 h+33%
- 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 29 h+21%
- LDACNo · QuietComfort Ultra Earbuds (2nd Gen): Yes
- Earbud weight (each)10 g vs 5.9 g+69%
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 |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 40,000 Hz |
| Spatial / 3D audio | Yes | — |
| Dolby Atmos | — | Yes |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 4 | — |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 6 h | 8 h |
| Battery life with ANC | 4 h | 7 h |
| Total with charging case | 24 h | 29 h |
| Charging time | 1 h | 2 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, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | Yes | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | — | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | 10 g | 5.9 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
Related comparisons
vs
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)vsSoundcore P30i4.88.4vs
Bose QuietComfort Ultra Earbuds (2nd Gen)vsBose QuietComfort Ultra Earbuds4.85.6vs
Bose QuietComfort Ultra Earbuds (2nd Gen)vsBose Ultra Open Earbuds4.84.7vs
Bose QuietComfort Ultra Earbuds (2nd Gen)vsSoundcore Sport X204.89.3