vs
7.8Noise control & calls6.4
4.7Battery5.1
Why is W820NB Plus better than BATHYS?
- Weight221 g vs 350 g+58%
- LDACYes · BATHYS: No
- Highest frequency40,000 Hz vs 22,100 Hz+81%
- Battery life with ANC33 h vs 30 h+10%
Why is BATHYS better than W820NB Plus?
- Battery life29 h vs 35 h+21%
- Charging time1.5 h vs 1 h+50%
- Lowest frequency20 Hz vs 15 Hz+33%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | On-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 20 Hz | 15 Hz |
| Highest frequency | 40,000 Hz | 22,100 Hz |
| Sensitivity | 91 dB | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 29 h | 35 h |
| Battery life with ANC | 33 h | 30 h |
| Charging time | 1.5 h | 1 h |
| Quick charge (claimed) | — | 15 min → 5 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.1 |
| Bluetooth codecs | LDAC, aptX HD, AAC, SBC | aptX Adaptive, aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | Yes | Yes |
| LDAC | Yes | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Voice assistant | — | Alexa, Google Assistant |
| Design & build | ||
| Weight | 221 g | 350 g |
| Foldable | — | Yes |
| Features | ||
| Hands-free calls | — | Yes |
