vs
5.5Noise control & calls3.0
5.1Battery2.2
Why is CMF Buds 2a better than A3?
- Active noise cancellingYes · A3: No
- Battery life8 h vs 5 h+60%
- Total with charging case36 h vs 25 h+42%
Why is A3 better than CMF Buds 2a?
A3 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 | 12.4 mm | — |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Adaptive ANC | Yes | — |
| Transparency / ambient mode | Yes | — |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 8 h | 5 h |
| Battery life with ANC | 5 h | — |
| Total with charging case | 36 h | 25 h |
| Battery capacity | — | 25 mAh |
| Charging time | — | 3 h |
| Fast charging support | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5.4 |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| Low-latency game mode | Yes | — |
| Design & build | ||
| Protection rating | IP54 | IPX4 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | 5 | — |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
