vs
3.8Noise control & calls9.2
Why is HE400SE better than LIVE 660NC?
HE400SE has no measurable advantages in this pair.
Why is LIVE 660NC better than HE400SE?
- Active noise cancellingNo · HE400SE: Yes
- Lowest frequency20 Hz vs 16 Hz+25%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 40 mm |
| Lowest frequency | 20 Hz | 16 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 25 Ω | 32 Ω |
| Sensitivity | 91 dB | 97 dB |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Battery & charging | ||
| Battery life | — | 50 h |
| Battery life with ANC | — | 40 h |
| Battery capacity | — | 750 mAh |
| Charging time | — | 2 h |
| Quick charge (claimed) | — | 5 min → 1 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5 |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | — | Alexa, Google Assistant |
| Companion app | — | Yes |
| Design & build | ||
| Weight | — | 265 g |
| Colours | Black | — |
