vs
7.9Noise control & calls4.0
Why is QuietComfort 45 headphones better than HD 400 Pro?
- Active noise cancellingYes · HD 400 Pro: No
Why is HD 400 Pro better than QuietComfort 45 headphones?
HD 400 Pro has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Driver type | Dynamic | — |
| Lowest frequency | — | 6 Hz |
| Highest frequency | — | 38,000 Hz |
| Impedance | — | 120 Ω |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 24 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 | 240 g |
| Foldable | Yes | — |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | — |
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