Why is K1 better than W64?
- Driver size40 mm vs 32 mm+25%
Why is W64 better than K1?
W64 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | — |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 40 mm | 32 mm |
| Number of drivers | 1 | 1 |
| Impedance | 32 Ω | — |
| Sensitivity | 94 dB | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery capacity | — | 300 mAh |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.4 |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Foldable | — | Yes |
| Features | ||
| Hands-free calls | Yes | Yes |





