vs
8.5Battery9.3
7.2Build & features8.5
Why is OpenFit 2+ T921 better than Liberty Buds 2?
OpenFit 2+ T921 has no measurable advantages in this pair.
Why is Liberty Buds 2 better than OpenFit 2+ T921?
- Hi-res codec (LDAC / aptX HD / LHDC)No · OpenFit 2+ T921: Yes
- Battery life11 h vs 12 h+9%
- LDACNo · OpenFit 2+ T921: Yes
- Earbud weight (each)9.4 g vs 4.7 g2×
- Bluetooth version5.4 vs 6.1+13%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Open-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 9.2 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 40,000 Hz |
| Impedance | — | 16 Ω |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 11 h | 12 h |
| Charging time | — | 1 h |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 6.1 |
| Bluetooth codecs | AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 9.4 g | 4.7 g |
| Protection rating | IP55 | IP55 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | Black, Grey, Purple | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
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