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6.9Noise control & calls3.9
Why is CMF Headphone Pro better than HD 400U?
- Active noise cancellingYes · HD 400U: No
Why is HD 400U better than CMF Headphone Pro?
- Lowest frequency20 Hz vs 18 Hz+11%
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 40 mm | — |
| Lowest frequency | 20 Hz | 18 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 18 Ω |
| Sensitivity | — | 120 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Microphones | 5 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 100 h | — |
| Battery life with ANC | 50 h | — |
| Battery capacity | 720 mAh | — |
| Charging time | 2 h | — |
| Quick charge (claimed) | 5 min → 8 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | LDAC, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | No | — |
| LDAC | Yes | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Low-latency game mode | Yes | — |
| Design & build | ||
| Weight | 283 g | — |
| Protection rating | IPX2 | — |
| Water resistance (IPx) | IPx2 | — |
| Foldable | Yes | — |
| Features | ||
| Hands-free calls | Yes | — |
