Why is U20 better than R50i NC?
- Battery life35 h vs 10 h3.5×
Why is R50i NC better than U20?
R50i NC has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Sensitivity | 108 dB | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | 35 h | 10 h |
| Total with charging case | 30 h | — |
| Battery capacity | 35 mAh | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.3 |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Design & build | ||
| Protection rating | — | IP54 |
| Water resistance (IPx) | — | IPx4 |
| Dust protection (IP) | — | 5 |
| Colours | — | Black |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |









