Why is HA-A7T2 better than A20i?
HA-A7T2 has no measurable advantages in this pair.
Why is A20i better than HA-A7T2?
- Battery life7 h vs 9 h+29%
- Total with charging case24 h vs 28 h+17%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Driver size | 6 mm | — |
| Number of drivers | 2 | — |
| 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 | 7 h | 9 h |
| Total with charging case | 24 h | 28 h |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Protection rating | IPX4 | — |
| Water resistance (IPx) | IPx4 | — |
| Colours | — | Black, White, Purple |
| Features | ||
| Touch controls | Yes | Yes |








