vs
4.1Battery5.1
Why is HA-A20T better than CMF Buds 2a?
HA-A20T has no measurable advantages in this pair.
Why is CMF Buds 2a better than HA-A20T?
- Battery life7 h vs 8 h+14%
- Driver size6 mm vs 12.4 mm2.1×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | — |
| Driver size | 6 mm | 12.4 mm |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | — | Yes |
| Adaptive ANC | — | Yes |
| Transparency / ambient mode | — | Yes |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 7 h | 8 h |
| Battery life with ANC | — | 5 h |
| Total with charging case | — | 36 h |
| Charging time | 2 h | — |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Low-latency game mode | — | Yes |
| Design & build | ||
| Earbud weight (each) | 4.2 g | — |
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
