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7.8Noise control & calls3.8
Why is QuietComfort SC Headphones better than HD 620S?
- Active noise cancellingYes · HD 620S: No
Why is HD 620S better than QuietComfort SC Headphones?
HD 620S has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Driver type | Dynamic | — |
| Driver size | — | 42 mm |
| Lowest frequency | — | 6 Hz |
| Highest frequency | — | 30,000 Hz |
| Impedance | — | 150 Ω |
| Sensitivity | — | 110 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 24 h | — |
| Charging time | 2.5 h | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.1 | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 240 g | — |
| Foldable | Yes | — |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | — |
