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7.8Noise control & calls7.8
Why is QuietComfort 45 headphones better than WH-1000XM4?
- Weight240 g vs 254 g+6%
Why is WH-1000XM4 better than QuietComfort 45 headphones?
- Battery life24 h vs 38 h+58%
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 | — | 4 Hz |
| Highest frequency | — | 40,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 101 dB |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 24 h | 38 h |
| Battery life with ANC | — | 30 h |
| Charging time | — | 3 h |
| Quick charge (claimed) | — | 10 min → 5 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.1 | 5 |
| Bluetooth codecs | — | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | Yes | Yes |
| NFC pairing | — | 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 | 254 g |
| Foldable | Yes | Yes |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
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