vs
7.4Sound3.5
7.2Noise control & calls6.1
8.9Battery8.8
4.6Build & features7.0
Why is ATH-TWX9MK3 better than OpenFit Pro?
- Battery life15 h vs 12 h+25%
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · OpenFit Pro: No
- Lowest frequency10 Hz vs 50 Hz5×
- Earbud weight (each)5.1 g vs 12.3 g2.4×
- LDACYes · OpenFit Pro: No
- Charging time2.5 h vs 3 h+20%
Why is OpenFit Pro better than ATH-TWX9MK3?
- Battery life with ANC11 h vs 24 h2.2×
- Water resistance (IPx)IPx4 vs IPx5+25%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Open-back |
| Driver type | Dynamic | — |
| Driver size | 5.8 mm | — |
| Lowest frequency | 10 Hz | 50 Hz |
| Highest frequency | 40,000 Hz | 40,000 Hz |
| Impedance | 16 Ω | — |
| Sensitivity | 107 dB | 96 dB |
| Spatial / 3D audio | — | Yes |
| Head tracking | — | Yes |
| Dolby Atmos | — | Yes |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Microphones | — | 3 |
| Battery & charging | ||
| Battery life | 15 h | 12 h |
| Battery life with ANC | 11 h | 24 h |
| Total with charging case | — | 50 h |
| Battery capacity | — | 90 mAh |
| Charging time | 2.5 h | 3 h |
| Quick charge (claimed) | — | 10 min → 4 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 6.1 |
| Bluetooth codecs | LDAC, LHDC, LC3, AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | 5.1 g | 12.3 g |
| Protection rating | IPX4 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | — | 5 |
| Colours | — | Black, White |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | Yes |
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