vs
7.2Noise control & calls9.3
Why is ATH-CKS50TW2 better than Fairbuds?
- Water resistance (IPx)IPx5 vs IPx4+25%
Why is Fairbuds better than ATH-CKS50TW2?
- Charging time2.5 h vs 2 h+25%
- Driver size9 mm vs 11 mm+22%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver type | Dynamic | — |
| Driver size | 9 mm | 11 mm |
| Lowest frequency | 5 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 20 Ω | — |
| Sensitivity | 110 dB | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 25 h | — |
| Battery life with ANC | 15 h | — |
| Battery capacity | — | 45 mAh |
| Charging time | 2.5 h | 2 h |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | LC3, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | Yes |
| LE Audio | Yes | — |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 7.2 g | — |
| Protection rating | IP55 | IP54 |
| Water resistance (IPx) | IPx5 | IPx4 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | — |
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