vs
9.2Noise control & calls9.2
6.3Battery6.4
Why is A90 Pro better than Choice Earbuds S8?
- Water resistance (IPx)IPx7 vs IPx4+75%
- Driver size36 mm vs 11 mm3.3×
Why is Choice Earbuds S8 better than A90 Pro?
- Total with charging case36 h vs 38 h+6%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Closed-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 36 mm | 11 mm |
| Number of drivers | 4 | — |
| Impedance | 32 Ω | — |
| Hi-Res Audio | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Battery & charging | ||
| Battery life | 8 h | 8 h |
| Total with charging case | 36 h | 38 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | — | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| USB-C | Yes | — |
| Design & build | ||
| Protection rating | — | IP54 |
| Water resistance (IPx) | IPx7 | IPx4 |
| Dust protection (IP) | — | 5 |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |



