vs
9.3Noise control & calls7.2
7.6Battery5.9
Why is Wave Flex 2 better than HA-A23T?
- Battery life10 h vs 9 h+11%
- Total with charging case40 h vs 26 h+54%
- Driver size12 mm vs 6 mm2×
Why is HA-A23T better than Wave Flex 2?
HA-A23T 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 | 12 mm | 6 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | 16 Ω | 16 Ω |
| Sensitivity | 98 dB | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 10 h | 9 h |
| Battery life with ANC | — | 7 h |
| Total with charging case | 40 h | 26 h |
| Charging time | 2 h | 2 h |
| Quick charge (claimed) | 10 min → 2 h | — |
| Fast charging support | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | Yes | Yes |
| Low-latency game mode | — | Yes |
| Design & build | ||
| Protection rating | IP54 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Hands-free calls | Yes | Yes |









