vs
7.9Noise control & calls4.0
Why is Monitor III ANC better than Signature Pure?
- Active noise cancellingYes · Signature Pure: No
- Weight250 g vs 294 g+18%
Why is Signature Pure better than Monitor III ANC?
- Lowest frequency20 Hz vs 8 Hz2.5×
- Highest frequency20,000 Hz vs 35,000 Hz+75%
- Driver size32 mm vs 50 mm+56%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 32 mm | 50 mm |
| Lowest frequency | 20 Hz | 8 Hz |
| Highest frequency | 20,000 Hz | 35,000 Hz |
| Impedance | 46 Ω | 32 Ω |
| Sensitivity | 92 dB | 114 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 | 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 | 294 g |
| Water resistance (IPx) | IPx0 | — |
| Foldable | Yes | — |
| Features | ||
| Hands-free calls | Yes | — |
