vs
7.2Noise control & calls3.0
7.1Battery3.6
Why is AH-C840NCW better than Earbuds Open?
- Active noise cancellingYes · Earbuds Open: No
- Battery life10 h vs 6 h+67%
Why is Earbuds Open better than AH-C840NCW?
- Driver size12 mm vs 16 mm+33%
- Charging time2 h vs 1.8 h+11%
Specifications
Side by side
| Sound | ||
| Fit | In-ear | In-ear |
| Ear cup design | Closed-back | Open-back |
| Driver type | Dynamic | Dynamic |
| Driver size | 12 mm | 16 mm |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | No |
| Transparency / ambient mode | Yes | — |
| Battery & charging | ||
| Battery life | 10 h | 6 h |
| Battery life with ANC | 7 h | — |
| Total with charging case | — | 22 h |
| Battery capacity | — | 58 mAh |
| Charging time | 2 h | 1.8 h |
| Wireless charging (case) | Yes | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | LC3, AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | — |
| LE Audio | Yes | — |
| USB-C | Yes | — |
| Design & build | ||
| Earbud weight (each) | 5 g | — |
| Protection rating | IPX4 | IP54 |
| Water resistance (IPx) | IPx4 | IPx4 |
| Dust protection (IP) | — | 5 |
| Features | ||
| Touch controls | Yes | Yes |
| Hands-free calls | Yes | Yes |
