vs
4.0Noise control & calls6.0
Why is Porta Pro Wireless 2.0 better than AL4 Freedom?
- Lowest frequency15 Hz vs 20 Hz+33%
- Highest frequency25,000 Hz vs 20,000 Hz+25%
Why is AL4 Freedom better than Porta Pro Wireless 2.0?
- Battery life20 h vs 36 h+80%
- Weight60 g vs 41 g+46%
Specifications
Side by side
| Sound | ||
| Fit | On-ear | Over-ear |
| Ear cup design | Open-back | — |
| Driver type | Dynamic | — |
| Lowest frequency | 15 Hz | 20 Hz |
| Highest frequency | 25,000 Hz | 20,000 Hz |
| Impedance | 60 Ω | — |
| Sensitivity | 101 dB | — |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Active noise cancelling | No | No |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 20 h | 36 h |
| Battery capacity | — | 250 mAh |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.2 | 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 | Yes |
| 3.5 mm jack / AUX | Yes | Yes |
| Low-latency game mode | — | Yes |
| Smart & streaming | ||
| Voice assistant | Google Assistant, Siri | Google Assistant, Siri |
| Companion app | — | Yes |
| Design & build | ||
| Weight | 60 g | 41 g |
| Protection rating | — | IPX6 |
| Water resistance (IPx) | — | IPx6 |
| Foldable | Yes | Yes |
| Features | ||
| Hands-free calls | Yes | — |
