vs
6.9Noise control & calls3.8
Why is W830NB better than KPH40 Utility?
- Active noise cancellingYes · KPH40 Utility: No
- Highest frequency40,000 Hz vs 25,000 Hz+60%
Why is KPH40 Utility better than W830NB?
- Lowest frequency20 Hz vs 15 Hz+33%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | On-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | — |
| Lowest frequency | 20 Hz | 15 Hz |
| Highest frequency | 40,000 Hz | 25,000 Hz |
| Impedance | — | 60 Ω |
| Sensitivity | 91 dB | 101 dB |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 54 h | — |
| Battery life with ANC | 54 h | — |
| Charging time | 1.5 h | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | LDAC, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | No | — |
| LDAC | Yes | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 267 g | — |
| Foldable | Yes | — |
| Features | ||
| Hands-free calls | Yes | — |
