vs
6.0Noise control & calls4.0
4.6Battery3.6
Why is AL4 Freedom better than SIH3 Headphones?
- Battery life36 h vs 35 h+3%
- Battery capacity250 mAh vs 25 mAh10×
Why is SIH3 Headphones better than AL4 Freedom?
SIH3 Headphones has no measurable advantages in this pair.
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | — |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Lowest frequency | 20 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Impedance | — | 32 Ω |
| Adjustable equaliser | Yes | — |
| Noise control | ||
| Active noise cancelling | No | No |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 36 h | 35 h |
| Battery capacity | 250 mAh | 25 mAh |
| Charging time | — | 3 h |
| Connectivity | ||
| Wireless | Yes | 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 | — | Black, Blue |
