vs
6.0Noise control & calls7.9
4.6Battery4.8
Why is AL4 Freedom better than ULT Wear?
- Weight41 g vs 255 g6.2×
Why is ULT Wear better than AL4 Freedom?
- Active noise cancellingNo · AL4 Freedom: Yes
- Battery life36 h vs 50 h+39%
- Lowest frequency20 Hz vs 5 Hz4×
Specifications
Side by side
| Sound | ||
| Fit | Over-ear | Over-ear |
| Ear cup design | — | Closed-back |
| Driver type | — | Dynamic |
| Driver size | — | 40 mm |
| Lowest frequency | 20 Hz | 5 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | — | 110 dB |
| Adjustable equaliser | Yes | Yes |
| Noise control | ||
| Active noise cancelling | No | Yes |
| Transparency / ambient mode | — | Yes |
| Noise reduction for calls | Yes | — |
| Battery & charging | ||
| Battery life | 36 h | 50 h |
| Battery life with ANC | — | 30 h |
| Battery capacity | 250 mAh | — |
| Charging time | — | 3.5 h |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | AAC, SBC | AAC, SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | Yes | Yes |
| USB-C | Yes | 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 | 255 g |
| Protection rating | IPX6 | — |
| Water resistance (IPx) | IPx6 | — |
| Foldable | Yes | Yes |
| Features | ||
| Touch controls | — | Yes |
| Hands-free calls | — | Yes |
