vs
9.8Noise control & calls7.8
Why is SoundForm Isolate better than Q21i?
- Bluetooth version5.4 vs 5+8%
Why is Q21i better than SoundForm Isolate?
Q21i has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | — | 16 Ω |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | 6 | — |
| Battery & charging | ||
| Battery life | 60 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 | 5.4 | 5 |
| Multipoint (two devices) | Yes | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Colours | — | Black |
