Why is Q20i better than Q21i?
Q20i has no measurable advantages in this pair.
Why is Q21i better than Q20i?
Q21i has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | On-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | 16 Ω | 16 Ω |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 60 h | 60 h |
| Battery life with ANC | 40 h | 40 h |
| Battery capacity | — | 185 mAh |
| Quick charge (claimed) | 5 min → 4 h | 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 | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | 246 g | — |
| Foldable | Yes | — |
| Colours | BIue, Pink, White, Black, Navy Blue, Taupe | Black |
| Features | ||
| Hands-free calls | Yes | — |
