vs
7.8Noise control & calls6.6
Why is QuietComfort 45 headphones better than Monitor II A.N.C.?
- Weight240 g vs 320 g+33%
Why is Monitor II A.N.C. better than QuietComfort 45 headphones?
- Battery life24 h vs 45 h+88%
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 40 mm |
| Number of drivers | — | 1 |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | — | 96 dB |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Microphones | — | 4 |
| Battery & charging | ||
| Battery life | 24 h | 45 h |
| Battery life with ANC | — | 30 h |
| Charging time | — | 2 h |
| Fast charging support | — | Yes |
| Wireless charging (case) | — | No |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.1 | 5 |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant |
| Companion app | — | Yes |
| Design & build | ||
| Weight | 240 g | 320 g |
| Water resistance (IPx) | — | IPx0 |
| Foldable | Yes | Yes |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | — |
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