vs
4.0Noise control & calls6.0
Why is Hi-X18 better than AL4 Freedom?
Hi-X18 has no measurable advantages in this pair.
Why is AL4 Freedom better than Hi-X18?
- Battery capacity80 mAh vs 250 mAh3.1×
Specifications
Side by side
| Sound | ||
| Fit | In-ear | Over-ear |
| Lowest frequency | — | 20 Hz |
| Highest frequency | — | 20,000 Hz |
| Impedance | 25 Ω | — |
| Sensitivity | 113 dB | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | No |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | — | 36 h |
| Battery capacity | 80 mAh | 250 mAh |
| Charging time | 3 h | — |
| Connectivity | ||
| Wireless | No | Yes |
| Bluetooth version | — | 5.3 |
| Bluetooth codecs | — | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | — | No |
| aptX | — | No |
| LDAC | — | No |
| Multipoint (two devices) | — | Yes |
| USB-C | — | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Low-latency game mode | — | Yes |
| Smart & streaming | ||
| Voice assistant | — | Google Assistant, Siri |
| Companion app | — | Yes |
| Design & build | ||
| Weight | — | 41 g |
| Protection rating | — | IPX6 |
| Water resistance (IPx) | — | IPx6 |
| Foldable | — | Yes |
| Colours | Gold, Black | — |
