vs
3.1Noise control & calls9.2
Why is Rockerz 255 Pro better than A90 Pro?
Rockerz 255 Pro has no measurable advantages in this pair.
Why is A90 Pro better than Rockerz 255 Pro?
- Active noise cancellingNo · Rockerz 255 Pro: Yes
- Bluetooth version5 vs 5.3+6%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 36 mm |
| Number of drivers | — | 4 |
| Impedance | 255 Ω | 32 Ω |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Battery & charging | ||
| Battery life | — | 8 h |
| Total with charging case | — | 36 h |
| Battery capacity | 500 mAh | — |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.3 |
| USB-C | — | Yes |
| Design & build | ||
| Protection rating | IPX7 | — |
| Water resistance (IPx) | IPx7 | IPx7 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
