Why is A20i better than A25i?
A20i has no measurable advantages in this pair.
Why is A25i better than A20i?
A25i has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 6 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | — | 16 Ω |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | — | No |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 9 h | 9 h |
| Total with charging case | 28 h | — |
| Battery capacity | — | 37 mAh |
| Charging time | — | 1 h |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | — | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Earbud weight (each) | — | 5 g |
| Protection rating | — | IPX5 |
| Water resistance (IPx) | — | IPx5 |
| Colours | Black, White, Purple | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | — | Yes |









