vs
7.9Noise control & calls7.9
7.6Battery9.2
Why is TUNE 775NC better than Q31i?
- Charging time1 h vs 2 h2×
- Weight232 g vs 267 g+15%
Why is Q31i better than TUNE 775NC?
- Battery life70 h vs 80 h+14%
- Driver size4 mm vs 40 mm10×
- Highest frequency20,000 Hz vs 40,000 Hz2×
- Bluetooth version5.3 vs 6+13%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | — |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 4 mm | 40 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 40,000 Hz |
| Impedance | 32 Ω | 16 Ω |
| Sensitivity | 100 dB | — |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | Yes | Yes |
| Battery & charging | ||
| Battery life | 70 h | 80 h |
| Battery life with ANC | 44 h | — |
| Battery capacity | 70 mAh | — |
| Charging time | 1 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 6 |
| Bluetooth codecs | — | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 232 g | 267 g |
| Foldable | Yes | Yes |
| Colours | Black | — |
| Features | ||
| Hands-free calls | — | Yes |
