Why is Life 4 better than C30?
- Battery life90 h vs 10 h9×
- Driver size40 mm vs 12 mm3.3×
Why is C30 better than Life 4?
- Charging time2.5 h vs 1 h2.5×
- Bluetooth version5 vs 6+20%
Specifications
Side by side
| Sound | ||
| Fit | — | In-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 12 mm |
| Impedance | — | 32 Ω |
| Sensitivity | — | 101 dB |
| Hi-Res Audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Transparency / ambient mode | — | Yes |
| Battery & charging | ||
| Battery life | 90 h | 10 h |
| Battery capacity | 1,000 mAh | — |
| Charging time | 2.5 h | 1 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 6 |
| Bluetooth codecs | — | LDAC, AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | Yes |
| aptX | — | No |
| LDAC | — | Yes |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | — |
| Design & build | ||
| Protection rating | — | IPX6 |
| Water resistance (IPx) | — | IPx6 |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
