Why is Life 4 better than H9?
- Battery life90 h vs 75 h+20%
Why is H9 better than Life 4?
- Bluetooth version5 vs 5.4+8%
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Ear cup design | Closed-back | — |
| Driver type | Dynamic | Dynamic |
| Driver size | 40 mm | 40 mm |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | Yes | Yes |
| Battery & charging | ||
| Battery life | 90 h | 75 h |
| Battery life with ANC | — | 45 h |
| Battery capacity | 1,000 mAh | — |
| Charging time | 2.5 h | — |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5 | 5.4 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
