vs
3.1Noise control & calls3.1
Why is Twins Core 2 better than R50i NC?
Twins Core 2 has no measurable advantages in this pair.
Why is R50i NC better than Twins Core 2?
- Battery life9 h vs 10 h+11%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 9 h | 10 h |
| Total with charging case | 40 h | — |
| Quick charge (claimed) | 10 min → 2 h | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | — | 5.3 |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
| Colours | — | Black |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |









