vs
9.2Noise control & calls3.8
Why is QuietComfort Ultra (2nd Gen) better than 99 Classics 2nd Gen Walnut/Gold?
- Active noise cancellingYes · 99 Classics 2nd Gen Walnut/Gold: No
Why is 99 Classics 2nd Gen Walnut/Gold better than QuietComfort Ultra (2nd Gen)?
99 Classics 2nd Gen Walnut/Gold has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 40 mm |
| Lowest frequency | — | 15 Hz |
| Highest frequency | — | 25,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | — | 103 dB |
| Spatial / 3D audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Battery & charging | ||
| Battery life | 30 h | — |
| Battery capacity | 850 mAh | — |
| Charging time | 3 h | — |
| Quick charge (claimed) | 15 min → 2,5 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Siri | — |
| Companion app | Yes | — |
| Design & build | ||
| Weight | — | 260 g |
| Features | ||
| Hands-free calls | Yes | — |
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