3.8Noise control & calls6.5
Why is JT1 better than Live 670NC?
- Charging time1 h vs 3 h3×
- Highest frequency30,000 Hz vs 20,000 Hz+50%
- Lowest frequency15 Hz vs 20 Hz+33%
Why is Live 670NC better than JT1?
- Active noise cancellingNo · JT1: Yes
- Weight355 g vs 219 g+62%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | On-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 40 mm |
| Lowest frequency | 15 Hz | 20 Hz |
| Highest frequency | 30,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | 103 dB | 98 dB |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Microphones | — | 2 |
| Battery & charging | ||
| Battery life | — | 65 h |
| Battery life with ANC | — | 50 h |
| Charging time | 1 h | 3 h |
| Quick charge (claimed) | — | 5 min → 1 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.3 |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | — | Alexa |
| Design & build | ||
| Weight | 355 g | 219 g |
| Foldable | — | Yes |
| Features | ||
| Hands-free calls | — | Yes |
