vs
4.4Battery6.9
7.8Build & features8.8
Why is SoundLink Flex (2nd Gen) better than Willen II?
- StereoYes · Willen II: No
Why is Willen II better than SoundLink Flex (2nd Gen)?
- Battery life12 h vs 17 h+42%
- Weight590 g vs 360 g+64%
- Charging time4 h vs 2.5 h+60%
Specifications
Side by side
| Sound | ||
| Driver type | — | Dynamic |
| Driver size | — | 50.8 mm |
| Output power | — | 38 W |
| Speaker channels | — | 1.0 |
| Channel count | — | 1 |
| Lowest frequency | — | 75 Hz |
| Highest frequency | — | 20,000 Hz |
| Stereo | Yes | No |
| Battery & charging | ||
| Battery life | 12 h | 17 h |
| Battery capacity | 3,200 mAh | — |
| Charging time | 4 h | 2.5 h |
| Quick charge (claimed) | — | 20 min → 5.5 h |
| Fast charging support | — | Yes |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.3 |
| Bluetooth codecs | SBC | SBC |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | No |
| aptX | No | No |
| LDAC | No | No |
| LE Audio | — | Yes |
| Auracast | — | Yes |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | 590 g | 360 g |
| Width | 201 mm | 100 mm |
| Height | 904 mm | 100 mm |
| Depth | 52 mm | 44 mm |
| Protection rating | IP67 | IP67 |
| Water resistance (IPx) | IPx7 | IPx7 |
| Dust protection (IP) | 6 | 6 |
| Features | ||
| Hands-free calls | Yes | Yes |
| Party / stereo pairing | Yes | — |
