7.1Battery8.4
Why is AH-C840NCW better than A6?
AH-C840NCW has no measurable advantages in this pair.
Why is A6 better than AH-C840NCW?
- Hi-res codec (LDAC / aptX HD / LHDC)No · AH-C840NCW: Yes
- Water resistance (IPx)IPx4 vs IPx5+25%
- LDACNo · AH-C840NCW: Yes
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Open-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | — |
| Driver size | 12 mm | — |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 40,000 Hz |
| Sensitivity | — | 90 dB |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | — |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 10 h | 10 h |
| Battery life with ANC | 7 h | — |
| Total with charging case | — | 40 h |
| Charging time | 2 h | — |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.4 |
| Bluetooth codecs | LC3, AAC, SBC | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | Yes |
| aptX | No | No |
| LDAC | No | Yes |
| Multipoint (two devices) | Yes | — |
| LE Audio | Yes | — |
| USB-C | Yes | Yes |
| Design & build | ||
| Earbud weight (each) | 5 g | — |
| Protection rating | IPX4 | IP55 |
| Water resistance (IPx) | IPx4 | IPx5 |
| Dust protection (IP) | — | 5 |
| Features | ||
| Touch controls | Yes | — |
| Hands-free calls | Yes | — |
