vs
9.2Noise control & calls7.8
4.0Battery6.2
Why is Der Kopfhörer better than Q21i?
- Battery capacity800 mAh vs 185 mAh4.3×
Why is Q21i better than Der Kopfhörer?
- Battery life10 h vs 60 h6×
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 40 mm |
| Impedance | 10 Ω | 16 Ω |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 10 h | 60 h |
| Battery life with ANC | — | 40 h |
| Battery capacity | 800 mAh | 185 mAh |
| Charging time | 2 h | — |
| Quick charge (claimed) | — | 5 min → 4 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5 |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Colours | Black | Black |
