vs
5.7Noise control & calls7.8
7.3Battery6.2
7.6Connectivity2.6
Why is GO LUX ANC better than Q21i?
- Battery life70 h vs 60 h+17%
- Battery capacity600 mAh vs 185 mAh3.2×
- Bluetooth version5.4 vs 5+8%
Why is Q21i better than GO LUX ANC?
Q21i has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Over-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 |
| Sensitivity | 104 dB | — |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Noise reduction (claimed) | 30 dB | — |
| Transparency / ambient mode | Yes | Yes |
| Microphones | 5 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 70 h | 60 h |
| Battery life with ANC | 40 h | 40 h |
| Battery capacity | 600 mAh | 185 mAh |
| Charging time | 2 h | — |
| Quick charge (claimed) | 10 min → 7 h | 5 min → 4 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 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 |
| Latency | 200 ms | — |
| Low-latency game mode | Yes | — |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | 235 g | — |
| Foldable | Yes | — |
| Colours | Cloud White, Graphite, Mauve, Sage | Black |
| Features | ||
| Hands-free calls | Yes | — |
