vs
6.9Noise control & calls4.0
Why is Tour One M3 better than HD 550?
- Active noise cancellingYes · HD 550: No
Why is HD 550 better than Tour One M3?
- Lowest frequency10 Hz vs 6 Hz+67%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | — |
| Lowest frequency | 10 Hz | 6 Hz |
| Highest frequency | 40,000 Hz | 39,500 Hz |
| Impedance | 18 Ω | 150 Ω |
| Sensitivity | 122 dB | 106 dB |
| Spatial / 3D audio | Yes | — |
| Head tracking | Yes | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Microphones | 8 | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 70 h | — |
| Battery life with ANC | 40 h | — |
| Charging time | 2 h | — |
| Quick charge (claimed) | 5 min → 1 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.3 | — |
| Bluetooth codecs | LDAC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | No | — |
| LDAC | Yes | — |
| Multipoint (two devices) | Yes | — |
| LE Audio | Yes | — |
| USB-C | Yes | — |
| 3.5 mm jack / AUX | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 278 g | — |
| Foldable | Yes | — |
| Colours | — | Black |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
