vs
3.5Battery7.0
Why is ATH-CK1TW better than Endurance Race TWS?
- Highest frequency25,000 Hz vs 20,000 Hz+25%
Why is Endurance Race TWS better than ATH-CK1TW?
- Battery life7 h vs 10 h+43%
- Water resistance (IPx)IPx5 vs IPx7+40%
- Driver size4.9 mm vs 6 mm+22%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver type | Dynamic | — |
| Driver size | 4.9 mm | 6 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 25,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 98 dB | 99 dB |
| Noise control | ||
| Active noise cancelling | — | No |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 7 h | 10 h |
| Total with charging case | — | 30 h |
| Charging time | 3 h | — |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.1 | 5.2 |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 6 g | — |
| Protection rating | IPX5 | IP67 |
| Water resistance (IPx) | IPx5 | IPx7 |
| Dust protection (IP) | — | 6 |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | — |
