Why is JT3 better than Q31i?
- Lowest frequency10 Hz vs 20 Hz2×
- Driver size50 mm vs 40 mm+25%
Why is Q31i better than JT3?
- Active noise cancellingNo · JT3: Yes
- Weight330 g vs 267 g+24%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | — |
| Ear cup design | Open-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 50 mm | 40 mm |
| Lowest frequency | 10 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 40,000 Hz |
| Impedance | 80 Ω | 16 Ω |
| Sensitivity | 97 dB | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | — | 80 h |
| Charging time | — | 2 h |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 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 |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 330 g | 267 g |
| Foldable | — | Yes |
| Features | ||
| Hands-free calls | — | Yes |
