Why is Minor IV better than OpenFit?
- Lowest frequency20 Hz vs 50 Hz2.5×
- Total with charging case30 h vs 28 h+7%
- Highest frequency20,000 Hz vs 16,000 Hz+25%
Why is OpenFit better than Minor IV?
OpenFit has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 12 mm | — |
| Lowest frequency | 20 Hz | 50 Hz |
| Highest frequency | 20,000 Hz | 16,000 Hz |
| Impedance | 32 Ω | 8 Ω |
| Sensitivity | — | 96 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 7 h | 7 h |
| Total with charging case | 30 h | 28 h |
| Charging time | 1 h | 1 h |
| Quick charge (claimed) | — | 5 min → 1 h |
| Fast charging support | Yes | Yes |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | LC3, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| LE Audio | Yes | — |
| USB-C | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | 7.4 g | — |
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
| Colours | — | Black, Beige |
| Features | ||
| Touch controls | Yes | — |
| Wear detection (auto pause) | Yes | — |
| Hands-free calls | Yes | — |
