vs
4.9Build & features6.4
Why is ED-W280NBPRO better than C50i?
- Battery life23 h vs 7 h3.3×
- Highest frequency40,000 Hz vs 20,000 Hz2×
Why is C50i better than ED-W280NBPRO?
- Bluetooth version5.4 vs 6+11%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Bone conduction |
| Ear cup design | — | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 12 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 24 Ω | 14 Ω |
| Sensitivity | 92 dB | — |
| Hi-Res Audio | Yes | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 23 h | 7 h |
| Charging time | 1.5 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 6 |
| Bluetooth codecs | LDAC, SBC | LDAC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | Yes |
| aptX | No | No |
| LDAC | Yes | Yes |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Weight | 32 g | — |
| Earbud weight (each) | — | 5.5 g |
| Protection rating | IP55 | IP55 |
| Water resistance (IPx) | IPx5 | IPx5 |
| Dust protection (IP) | 5 | 5 |
| Colours | — | Midnight Black, Purple, Pearl White |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
