Why is RB-HF630B better than WH-CH520?
- Battery life72 h vs 50 h+44%
- Weight140 g vs 147 g+5%
Why is WH-CH520 better than RB-HF630B?
- Charging time4 h vs 3 h+33%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | On-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 30 mm | 30 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 72 h | 50 h |
| Charging time | 4 h | 3 h |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | 140 g | 147 g |
| Foldable | Yes | Yes |
| Features | ||
| Hands-free calls | Yes | Yes |
