Why is HA-A3T better than KH-CRZ20T?
HA-A3T has no measurable advantages in this pair.
Why is KH-CRZ20T better than HA-A3T?
- Battery life7 h vs 7.5 h+7%
- Earbud weight (each)10 g vs 4.1 g2.4×
- Charging time3 h vs 2 h+50%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Semi-in-ear (open) |
| Ear cup design | — | Open-back |
| Driver size | — | 11 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Noise control | ||
| Active noise cancelling | No | — |
| Battery & charging | ||
| Battery life | 7 h | 7.5 h |
| Total with charging case | 22 h | — |
| Charging time | 3 h | 2 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.1 | 5.1 |
| Bluetooth codecs | — | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Design & build | ||
| Earbud weight (each) | 10 g | 4.1 g |
| Protection rating | IPX4 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |






