Why is FreeArc better than RB-EB220?
- Charging time0.5 h vs 1.5 h3×
- Battery capacity55 mAh vs 30 mAh+83%
- Bluetooth version5.2 vs 5+4%
Why is RB-EB220 better than FreeArc?
- Active noise cancellingNo · FreeArc: Yes
- Driver size12 mm vs 13 mm+8%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Open-back | — |
| Driver type | Dynamic | — |
| Driver size | 12 mm | 13 mm |
| Number of drivers | 4 | — |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 140 Ω | 32 Ω |
| Sensitivity | — | 120 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Battery & charging | ||
| Battery life | — | 6 h |
| Battery capacity | 55 mAh | 30 mAh |
| Charging time | 0.5 h | 1.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5 |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 8.9 g | — |
| Protection rating | IP57 | — |
| Water resistance (IPx) | IPx7 | — |
| Dust protection (IP) | 5 | — |
| Colours | — | Blue |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
