vs
3.8Noise control & calls3.8
Why is RB-HF630B better than Grom Wired?
- Weight140 g vs 168 g+20%
Why is Grom Wired better than RB-HF630B?
Grom Wired has no measurable advantages in this pair.
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 |
| Impedance | — | 32 Ω |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 72 h | — |
| Charging time | 4 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.3 | — |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | — | Yes |
| Design & build | ||
| Weight | 140 g | 168 g |
| Foldable | Yes | — |
| Colours | — | Bone Seafoam, Surf Blue |
| Features | ||
| Hands-free calls | Yes | Yes |
