vs
2.0Noise control & calls5.3
7.5Battery3.7
2.4Build & features3.0
Why is Ultra Open Earbuds (2nd Gen) better than Pi8?
- Battery life9 h vs 6 h+50%
- Charging time1 h vs 2 h2×
Why is Pi8 better than Ultra Open Earbuds (2nd Gen)?
- Active noise cancellingNo · Ultra Open Earbuds (2nd Gen): Yes
- Microphones2 vs 3+50%
- Earbud weight (each)10 g vs 7 g+43%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 12 mm |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | 2 | 3 |
| Battery & charging | ||
| Battery life | 9 h | 6 h |
| Battery life with ANC | — | 6 h |
| Total with charging case | — | 20 h |
| Charging time | 1 h | 2 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | aptX Adaptive, AAC, SBC | aptX Lossless, aptX Adaptive, aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | Yes | Yes |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | 10 g | 7 g |
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
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