vs
5.2Noise control & calls3.0
4.2Battery8.7
Why is Momentum Sport better than OpenFit 2?
- Active noise cancellingYes · OpenFit 2: No
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · OpenFit 2: No
- Lowest frequency15 Hz vs 50 Hz3.3×
- aptXYes · OpenFit 2: No
- Battery capacity72 mAh vs 56 mAh+29%
- Highest frequency18,000 Hz vs 16,000 Hz+12%
Why is OpenFit 2 better than Momentum Sport?
- Battery life5 h vs 11 h2.2×
- Total with charging case24 h vs 48 h2×
- Bluetooth version5.2 vs 5.4+4%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 10 mm | — |
| Number of drivers | 1 | — |
| Lowest frequency | 15 Hz | 50 Hz |
| Highest frequency | 18,000 Hz | 16,000 Hz |
| Sensitivity | 110 dB | 94 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 3 | — |
| Battery & charging | ||
| Battery life | 5 h | 11 h |
| Total with charging case | 24 h | 48 h |
| Battery capacity | 72 mAh | 56 mAh |
| Charging time | 1.5 h | — |
| Quick charge (claimed) | 10 min → 45 Minuten Laufzeit | — |
| Fast charging support | Yes | Yes |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.4 |
| Bluetooth codecs | aptX Adaptive, aptX, AAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | Yes | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Alexa, Google Assistant | — |
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | — | 9.4 g |
| Protection rating | IP55 | IP55 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | Black, Graphite, Olive | Black, Beige |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |









