Why is HA-A23T better than HA-A4T?
- Battery life9 h vs 7.5 h+20%
Why is HA-A4T better than HA-A23T?
- Driver size6 mm vs 12 mm2×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Semi-in-ear (open) |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | — |
| Driver size | 6 mm | 12 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | — |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 9 h | 7.5 h |
| Battery life with ANC | 7 h | — |
| Total with charging case | 26 h | — |
| Charging time | 2 h | 2 h |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | AAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| USB-C | Yes | Yes |
| Low-latency game mode | Yes | — |
| Design & build | ||
| Earbud weight (each) | — | 4 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | Yes | Yes |
