4.0Noise control & calls7.2
Why is HE-R9 better than Tune 770NC?
- Highest frequency35,000 Hz vs 20,000 Hz+75%
- Lowest frequency15 Hz vs 20 Hz+33%
Why is Tune 770NC better than HE-R9?
- Active noise cancellingNo · HE-R9: Yes
- Weight460 g vs 232 g+98%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 40 mm |
| Number of drivers | — | 1 |
| Lowest frequency | 15 Hz | 20 Hz |
| Highest frequency | 35,000 Hz | 20,000 Hz |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | 100 dB | 100 dB |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | — | Yes |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | — | 70 h |
| Battery life with ANC | — | 44 h |
| Charging time | — | 2 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, Google Assistant |
| Companion app | — | Yes |
| Design & build | ||
| Weight | 460 g | 232 g |
| Foldable | — | Yes |
| Colours | Brown, Black, Red | — |
| Features | ||
| Hands-free calls | — | Yes |
