Why is A90 Pro better than C30?
- Driver size36 mm vs 12 mm3×
- Water resistance (IPx)IPx7 vs IPx6+17%
Why is C30 better than A90 Pro?
- Battery life8 h vs 10 h+25%
- Bluetooth version5.3 vs 6+13%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 36 mm | 12 mm |
| Number of drivers | 4 | — |
| Impedance | 32 Ω | 32 Ω |
| Sensitivity | — | 101 dB |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 8 h | 10 h |
| Total with charging case | 36 h | — |
| Charging time | — | 1 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 6 |
| Bluetooth codecs | — | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Design & build | ||
| Protection rating | — | IPX6 |
| Water resistance (IPx) | IPx7 | IPx6 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
