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7.8Noise control & calls3.8
Why is Monitor III ANC better than HD 620S?
- Active noise cancellingYes · HD 620S: No
Why is HD 620S better than Monitor III ANC?
- Lowest frequency20 Hz vs 6 Hz3.3×
- Highest frequency20,000 Hz vs 30,000 Hz+50%
- Driver size32 mm vs 42 mm+31%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Driver type | Dynamic | — |
| Driver size | 32 mm | 42 mm |
| Lowest frequency | 20 Hz | 6 Hz |
| Highest frequency | 20,000 Hz | 30,000 Hz |
| Impedance | 46 Ω | 150 Ω |
| Sensitivity | 92 dB | 110 dB |
| Spatial / 3D audio | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 100 h | — |
| Battery life with ANC | 70 h | — |
| Charging time | 3 h | — |
| Fast charging support | Yes | — |
| Wireless charging (case) | No | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.3 | — |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| LE Audio | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 250 g | — |
| Water resistance (IPx) | IPx0 | — |
| Foldable | Yes | — |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | — |
