vs
6.9Noise control & calls7.8
3.2Battery2.9
Why is QuietComfort 45 better than PX7 S2e?
QuietComfort 45 has no measurable advantages in this pair.
Why is PX7 S2e better than QuietComfort 45?
- Battery life24 h vs 30 h+25%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 43 mm |
| Number of drivers | — | 1 |
| Lowest frequency | — | 10 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 22 Ω |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 24 h | 30 h |
| Battery life with ANC | — | 30 h |
| Charging time | — | 7 h |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.1 | 5 |
| Bluetooth codecs | — | aptX HD, aptX, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | Yes |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | — | 307 g |
| Foldable | — | Yes |
| Features | ||
| Hands-free calls | — | Yes |
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