Why is ES850NB better than SR-X9000?
- Active noise cancellingYes · SR-X9000: No
- Weight265 g vs 432 g+63%
Why is SR-X9000 better than ES850NB?
- Lowest frequency20 Hz vs 5 Hz4×
- Highest frequency40,000 Hz vs 42,000 Hz+5%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | — | Open-back |
| Lowest frequency | 20 Hz | 5 Hz |
| Highest frequency | 40,000 Hz | 42,000 Hz |
| Sensitivity | 91 dB | 100 dB |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Battery & charging | ||
| Battery life | 92 h | — |
| Battery life with ANC | 53 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 | — |
| USB-C | Yes | — |
| Design & build | ||
| Weight | 265 g | 432 g |
| Colours | — | Black |









