Why is FreeArc better than A25i?
- Water resistance (IPx)IPx7 vs IPx5+40%
- Driver size12 mm vs 6 mm2×
- Charging time0.5 h vs 1 h2×
- Battery capacity55 mAh vs 37 mAh+49%
Why is A25i better than FreeArc?
- Earbud weight (each)8.9 g vs 5 g+78%
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Ear cup design | Open-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 12 mm | 6 mm |
| Number of drivers | 4 | — |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 140 Ω | 16 Ω |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | No |
| Battery & charging | ||
| Battery life | — | 9 h |
| Battery capacity | 55 mAh | 37 mAh |
| Charging time | 0.5 h | 1 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 5.3 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | — |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 8.9 g | 5 g |
| Protection rating | IP57 | IPX5 |
| Water resistance (IPx) | IPx7 | IPx5 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
