Why is Q31i better than Space 2?
- Battery life80 h vs 50 h+60%
Why is Space 2 better than Q31i?
- Battery life with ANC50 h vs 70 h+40%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | On-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 16 Ω |
| Sensitivity | 98 dB | 120 dB |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | — | Yes |
| Microphones | 4 | — |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 80 h | 50 h |
| Battery life with ANC | 50 h | 70 h |
| Charging time | — | 2 h |
| Quick charge (claimed) | 10 min → 10 h | 5 min → 4 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 6.1 |
| Bluetooth codecs | LDAC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | — | 260 g |
| Foldable | — | Yes |
| Colours | Black | Seafoam Green, Linen White, Jet Black |
| Features | ||
| Hands-free calls | Yes | Yes |
