vs
7.8Noise control & calls3.8
Why is W820NB Plus better than SR-X9000?
- Active noise cancellingYes · SR-X9000: No
- Weight221 g vs 432 g+95%
Why is SR-X9000 better than W820NB Plus?
- 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 |
| Driver type | Dynamic | — |
| Driver size | 40 mm | — |
| Lowest frequency | 20 Hz | 5 Hz |
| Highest frequency | 40,000 Hz | 42,000 Hz |
| Sensitivity | 91 dB | 100 dB |
| Hi-Res Audio | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 29 h | — |
| Battery life with ANC | 33 h | — |
| Charging time | 1.5 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.2 | — |
| Bluetooth codecs | LDAC, aptX HD, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | Yes | — |
| LDAC | Yes | — |
| USB-C | Yes | — |
| Low-latency game mode | Yes | — |
| Design & build | ||
| Weight | 221 g | 432 g |
| Colours | — | Black |
