Why is ES850NB better than VMK25.2?
- Highest frequency40,000 Hz vs 20,000 Hz2×
- Weight265 g vs 300 g+13%
Why is VMK25.2 better than ES850NB?
- Battery life92 h vs 95 h+3%
- Battery life with ANC53 h vs 55 h+4%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 45 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | 91 dB | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Battery & charging | ||
| Battery life | 92 h | 95 h |
| Battery life with ANC | 53 h | 55 h |
| Charging time | — | 2.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | LDAC, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | No | — |
| LDAC | Yes | — |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | 265 g | 300 g |
| Colours | — | Black |
| Features | ||
| Hands-free calls | — | Yes |









