vs
3.0Noise control & calls3.0
2.8Battery6.7
3.7Build & features3.0
Why is Amiron Zero better than OpenWear Stereo Pro?
Amiron Zero has no measurable advantages in this pair.
Why is OpenWear Stereo Pro better than Amiron Zero?
- Battery life6 h vs 8 h+33%
- Total with charging case20 h vs 45 h2.2×
- Hi-res codec (LDAC / aptX HD / LHDC)No · Amiron Zero: Yes
- Highest frequency20,000 Hz vs 40,000 Hz2×
- LDACNo · Amiron Zero: Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | Open-back | Open-back |
| Driver type | — | Dynamic |
| Number of drivers | — | 4 |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Spatial / 3D audio | — | Yes |
| Head tracking | — | Yes |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 6 h | 8 h |
| Total with charging case | 20 h | 45 h |
| Battery capacity | — | 56 mAh |
| Quick charge (claimed) | — | 10 min → 2 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | — | 72 g |
| Earbud weight (each) | 6 g | — |
| Protection rating | IP54 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |
