vs
3.8Noise control & calls6.7
Why is KPH40 Utility better than CMF Headphone Pro?
- Lowest frequency15 Hz vs 20 Hz+33%
- Highest frequency25,000 Hz vs 20,000 Hz+25%
Why is CMF Headphone Pro better than KPH40 Utility?
- Active noise cancellingNo · KPH40 Utility: Yes
Specifications
Side by side
| Sound | ||
| Fit | On-ear | — |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | — | 40 mm |
| Lowest frequency | 15 Hz | 20 Hz |
| Highest frequency | 25,000 Hz | 20,000 Hz |
| Impedance | 60 Ω | — |
| Sensitivity | 101 dB | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| 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 | No | 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 |
| 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 |
