vs
2.0Noise control & calls6.0
7.4Battery5.6
2.3Build & features3.8
Why is Ultra Open Earbuds (2nd Gen) better than EAH-AZ100?
- Battery life9 h vs 8 h+12%
- Charging time1 h vs 2 h2×
- aptXYes · EAH-AZ100: No
Why is EAH-AZ100 better than Ultra Open Earbuds (2nd Gen)?
- Active noise cancellingNo · Ultra Open Earbuds (2nd Gen): Yes
- LDACNo · Ultra Open 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 |
| Dolby Atmos | — | Yes |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | 2 | — |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 9 h | 8 h |
| Battery life with ANC | — | 7 h |
| Total with charging case | — | 29 h |
| Charging time | 1 h | 2 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| Bluetooth codecs | aptX Adaptive, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | 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 |
| Hands-free calls | Yes | Yes |









