vs
8.5Noise control & calls3.8
2.6Battery6.5
Why is QuietComfort Headphones (2nd Gen) better than RS 275?
- Active noise cancellingYes · RS 275: No
Why is RS 275 better than QuietComfort Headphones (2nd Gen)?
- Battery life24 h vs 50 h2.1×
- Charging time3 h vs 2 h+50%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | On-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Lowest frequency | — | 6 Hz |
| Highest frequency | — | 20,000 Hz |
| Sensitivity | — | 106 dB |
| Spatial / 3D audio | — | Yes |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Microphones | 6 | — |
| Battery & charging | ||
| Battery life | 24 h | 50 h |
| Battery life with ANC | 24 h | — |
| Charging time | 3 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | — | aptX Adaptive, AAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | Yes |
| LDAC | — | No |
| Multipoint (two devices) | Yes | — |
| LE Audio | — | Yes |
| Auracast | — | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | — | 195 g |
| Foldable | Yes | Yes |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | Yes |
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