3.8Noise control & calls9.2
Why is K1 better than HiTune S3 WS209?
- Driver size40 mm vs 12 mm3.3×
Why is HiTune S3 WS209 better than K1?
- Active noise cancellingNo · K1: Yes
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Open-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 12 mm |
| Number of drivers | 1 | — |
| Impedance | 32 Ω | — |
| Sensitivity | 94 dB | — |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Battery & charging | ||
| Battery life | — | 7 h |
| Charging time | — | 3 h |
| Quick charge (claimed) | — | 15 min → 2 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.4 |
| Bluetooth codecs | — | AAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Low-latency game mode | — | Yes |
| Design & build | ||
| Protection rating | — | IPX5 |
| Water resistance (IPx) | — | IPx5 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |







