Why is Q31i better than Space 2?
- Battery life80 h vs 50 h+60%
- Highest frequency40,000 Hz vs 20,000 Hz2×
Why is Space 2 better than Q31i?
- Weight267 g vs 260 g+3%
Specifications
Side by side
| Sound | ||
| Fit | — | On-ear |
| Ear cup design | — | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | — | 120 dB |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 80 h | 50 h |
| Battery life with ANC | — | 70 h |
| Charging time | 2 h | 2 h |
| Quick charge (claimed) | — | 5 min → 4 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 6 | 6.1 |
| Bluetooth codecs | LDAC, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | 267 g | 260 g |
| Foldable | Yes | Yes |
| Colours | — | Seafoam Green, Linen White, Jet Black |
| Features | ||
| Hands-free calls | Yes | Yes |
