vs
Why is ED-W280NBPRO better than 4XD1J77351?
- Lowest frequency20 Hz vs 100 Hz5×
- Highest frequency40,000 Hz vs 20,000 Hz2×
Why is 4XD1J77351 better than ED-W280NBPRO?
4XD1J77351 has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver type | Dynamic | — |
| Driver size | — | 9 mm |
| Lowest frequency | 20 Hz | 100 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | 24 Ω | 32 Ω |
| Sensitivity | 92 dB | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Battery & charging | ||
| Battery life | 23 h | — |
| Charging time | 1.5 h | — |
| Connectivity | ||
| Wireless | Yes | No |
| Bluetooth version | 5.4 | — |
| Bluetooth codecs | LDAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | — |
| aptX | No | — |
| LDAC | Yes | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| Design & build | ||
| Weight | 32 g | — |
| Protection rating | IP55 | — |
| Water resistance (IPx) | IPx5 | — |
| Dust protection (IP) | 5 | — |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | Yes |
