vs
7.2Noise control & calls3.1
7.7Build & features8.6
Why is Air Pro 4i better than FreeArc?
- Active noise cancellingYes · FreeArc: No
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · FreeArc: No
- LDACYes · FreeArc: No
- Bluetooth version5.4 vs 5.2+4%
Why is FreeArc better than Air Pro 4i?
- Water resistance (IPx)IPx5 vs IPx7+40%
- Charging time1 h vs 0.5 h2×
- Driver size11 mm vs 12 mm+9%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | — | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 11 mm | 12 mm |
| Number of drivers | — | 4 |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | 16 Ω | 140 Ω |
| Sensitivity | 98 dB | — |
| Spatial / 3D audio | Yes | — |
| Hi-Res Audio | Yes | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 9.5 h | — |
| Battery capacity | — | 55 mAh |
| Charging time | 1 h | 0.5 h |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.2 |
| Bluetooth codecs | LDAC, AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Weight | 51 g | — |
| Earbud weight (each) | — | 8.9 g |
| Protection rating | IP55 | IP57 |
| Water resistance (IPx) | IPx5 | IPx7 |
| Dust protection (IP) | 5 | 5 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
