vs
7.9Noise control & calls4.0
Why is QuietComfort Ultra Headphones (2nd Gen) better than 105 AER?
- Active noise cancellingYes · 105 AER: No
- Weight260 g vs 336 g+29%
Why is 105 AER better than QuietComfort Ultra Headphones (2nd Gen)?
105 AER has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | — | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 50 mm |
| Lowest frequency | — | 5 Hz |
| Highest frequency | — | 30,000 Hz |
| Impedance | — | 42 Ω |
| Sensitivity | — | 112 dB |
| Spatial / 3D audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 45 h | — |
| Charging time | 3 h | 3 h |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | aptX Adaptive, 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 | 260 g | 336 g |
| Foldable | Yes | — |
| Colours | — | Black |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
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