vs
4.8Noise control & calls9.3
8.9Battery6.3
Why is ATH-CKS50TW better than Buds 4 Pro?
- Battery life20 h vs 9 h2.2×
- Total with charging case50 h vs 36 h+39%
- Charging time3 h vs 4 h+33%
Why is Buds 4 Pro better than ATH-CKS50TW?
- Active noise cancellingNo · ATH-CKS50TW: Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 9 mm | — |
| Lowest frequency | 5 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 20 Ω | — |
| Sensitivity | 110 dB | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 20 h | 9 h |
| Total with charging case | 50 h | 36 h |
| Charging time | 3 h | 4 h |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Bluetooth codecs | aptX Adaptive, aptX, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 8 g | — |
| Protection rating | IPX4 | — |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
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