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7.9Noise control & calls4.0
Why is TUNE 775NC better than HD 400U?
- Active noise cancellingYes · HD 400U: No
Why is HD 400U better than TUNE 775NC?
- Lowest frequency20 Hz vs 18 Hz+11%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 4 mm | — |
| Lowest frequency | 20 Hz | 18 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 18 Ω |
| Sensitivity | 100 dB | 120 dB |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 70 h | — |
| Battery life with ANC | 44 h | — |
| Battery capacity | 70 mAh | — |
| Charging time | 1 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | — |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Design & build | ||
| Weight | 232 g | — |
| Foldable | Yes | — |
| Colours | Black | — |
