5.9Noise control & calls3.8
Why is Live 770NC better than SRH440A?
- Active noise cancellingYes · SRH440A: No
- Weight256 g vs 268 g+5%
Why is SRH440A better than Live 770NC?
- Lowest frequency20 Hz vs 10 Hz2×
- Highest frequency20,000 Hz vs 22,000 Hz+10%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | — |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | 20 Hz | 10 Hz |
| Highest frequency | 20,000 Hz | 22,000 Hz |
| Impedance | 32 Ω | 40 Ω |
| Sensitivity | 100 dB | 97 dB |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Microphones | 2 | — |
| Battery & charging | ||
| Battery life | 65 h | — |
| Battery life with ANC | 50 h | — |
| Charging time | 3 h | — |
| Quick charge (claimed) | 5 min → 1 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.3 | — |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Alexa, Google Assistant | — |
| Design & build | ||
| Weight | 256 g | 268 g |
| Foldable | Yes | — |
| Colours | — | Black |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
