Why is Life 4 better than K1?
- Active noise cancellingYes · K1: No
Why is K1 better than Life 4?
K1 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Number of drivers | — | 1 |
| Impedance | — | 32 Ω |
| Sensitivity | — | 94 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Battery & charging | ||
| Battery life | 90 h | — |
| Battery capacity | 1,000 mAh | — |
| Charging time | 2.5 h | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5 | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Features | ||
| Hands-free calls | — | Yes |




