vs
6.0Noise control & calls6.6
4.6Battery8.0
6.1Connectivity6.1
Why is AL4 Freedom better than Hesh 540 ANC?
- Weight41 g vs 332 g8.1×
Why is Hesh 540 ANC better than AL4 Freedom?
- Active noise cancellingNo · AL4 Freedom: Yes
- Battery life36 h vs 65 h+81%
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Driver type | — | Dynamic |
| Driver size | — | 40 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 38 Ω |
| Sensitivity | — | 119 dB |
| Spatial / 3D audio | — | Yes |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | — | Yes |
| Microphones | — | 4 |
| Noise reduction for calls | Yes | Yes |
| Battery & charging | ||
| Battery life | 36 h | 65 h |
| Battery life with ANC | — | 50 h |
| Battery capacity | 250 mAh | — |
| Quick charge (claimed) | — | 10 min → 4 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | AAC, SBC | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Low-latency game mode | Yes | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | — |
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | 41 g | 332 g |
| Protection rating | IPX6 | — |
| Water resistance (IPx) | IPx6 | — |
| Foldable | Yes | Yes |
| Colours | — | Bone, True Black |
| Features | ||
| Wear detection (auto pause) | — | Yes |
| Hands-free calls | — | Yes |
