Why is Comfo Flex better than A3 Pro?
- Hi-res codec (LDAC / aptX HD / LHDC)Yes · A3 Pro: No
- Highest frequency40,000 Hz vs 20,000 Hz2×
- LDACYes · A3 Pro: No
Why is A3 Pro better than Comfo Flex?
A3 Pro has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Driver type | — | Dynamic |
| Driver size | — | 10 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 40,000 Hz | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | 90 dB | 107 dB |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Battery & charging | ||
| Battery life | 10 h | — |
| Total with charging case | 40 h | — |
| Battery capacity | 70 mAh | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | LDAC, AAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | Yes | No |
| aptX | No | No |
| LDAC | Yes | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Weight | — | 38 g |
| Protection rating | IP55 | — |
| Water resistance (IPx) | IPx5 | — |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
