Why is PORTA better than REWIND 2?
- Weight40 g vs 57 g+43%
- Bluetooth version5.4 vs 5+8%
- Charging time1.5 h vs 2 h+33%
Why is REWIND 2 better than PORTA?
- Battery life8 h vs 20 h2.5×
Specifications
Side by side
| Sound | ||
| Fit | — | Over-ear |
| Driver type | Dynamic | Dynamic |
| Driver size | — | 36 mm |
| Lowest frequency | 20 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Impedance | — | 32 Ω |
| Sensitivity | — | 106 dB |
| Adjustable equaliser | — | Yes |
| Noise control | ||
| Microphones | — | 1 |
| Noise reduction for calls | — | Yes |
| Battery & charging | ||
| Battery life | 8 h | 20 h |
| Battery capacity | — | 220 mAh |
| Charging time | 1.5 h | 2 h |
| Quick charge (claimed) | — | 10 min → 3 h |
| Fast charging support | — | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.4 | 5 |
| Bluetooth codecs | AAC, SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| Multipoint (two devices) | — | Yes |
| USB-C | Yes | Yes |
| Latency | — | 200 ms |
| Low-latency game mode | — | Yes |
| Smart & streaming | ||
| Companion app | — | Yes |
| Design & build | ||
| Weight | 40 g | 57 g |
| Protection rating | IPX4 | — |
| Water resistance (IPx) | IPx4 | — |
| Features | ||
| Hands-free calls | — | Yes |
