vs
Why is Fusion A70 better than Q21i?
- Battery life72 h vs 60 h+20%
- Bluetooth version5.2 vs 5+4%
Why is Q21i better than Fusion A70?
Q21i has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | — | 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 | 32 Ω | 16 Ω |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 72 h | 60 h |
| Battery life with ANC | — | 40 h |
| Battery capacity | — | 185 mAh |
| Quick charge (claimed) | — | 5 min → 4 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5 |
| Bluetooth codecs | AAC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Foldable | Yes | — |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | — |
