Why is Comfo C better than A30i?
- Water resistance (IPx)IPx6 vs IPx4+50%
- Driver size12 mm vs 6 mm2×
- Charging time1 h vs 2 h2×
- Total with charging case28 h vs 24 h+17%
Why is A30i better than Comfo C?
A30i has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Open-ear | In-ear |
| Driver type | Dynamic | Dynamic |
| Driver size | 12 mm | 6 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 24 Ω |
| Sensitivity | 90 dB | — |
| Spatial / 3D audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 4 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 7 h | 7 h |
| Total with charging case | 28 h | 24 h |
| Charging time | 1 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| 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 |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Earbud weight (each) | — | 3.7 g |
| Protection rating | IP56 | IP54 |
| Water resistance (IPx) | IPx6 | IPx4 |
| Dust protection (IP) | 5 | 5 |
| Colours | — | Black, White, Blue, Pink |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
