Dimensions
Size comparison
Willen IIBoom 3i
| Willen II | Boom 3i | Difference | |
|---|---|---|---|
| Height | 100.5 mm | 85 mm | +15.5 mm |
| Width | 100.5 mm | 210 mm | −109.5 mm |
| Depth | 43.5 mm | 78.5 mm | −35 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Willen II better than Boom 3i?
- Battery life17 h vs 16 h+6%
Why is Boom 3i better than Willen II?
- Channel count1 vs 22×
- Output power38 W vs 50 W+32%
- StereoNo · Willen II: Yes
- Water resistance (IPx)IPx7 vs IPx8+14%
Specifications
Side by side
| Sound | ||
| Driver type | Dynamic | — |
| Driver size | 50.8 mm | — |
| Output power | 38 W | 50 W |
| Speaker channels | 1.0 | 2.0 |
| Channel count | 1 | 2 |
| Lowest frequency | 75 Hz | — |
| Highest frequency | 20,000 Hz | — |
| Stereo | No | Yes |
| Battery & charging | ||
| Battery life | 17 h | 16 h |
| Charging time | 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 | — |
| Hi-res codec (LDAC / aptX HD / LHDC) | No | — |
| aptX | No | — |
| LDAC | No | — |
| LE Audio | Yes | — |
| Auracast | Yes | — |
| USB-C | Yes | Yes |
| Smart & streaming | ||
| Companion app | Yes | Yes |
| Design & build | ||
| Weight | 360 g | — |
| Width | 100 mm | 210 mm |
| Height | 100 mm | 85 mm |
| Depth | 44 mm | 78 mm |
| Protection rating | IP67 | IP68 |
| Water resistance (IPx) | IPx7 | IPx8 |
| Dust protection (IP) | 6 | 6 |
| Floats | — | Yes |
| Colours | — | Adventurer Black, Deep Ocean Blue, Jungle Green, Desert Rose Brown |
| Features | ||
| Hands-free calls | Yes | — |
| Party / stereo pairing | — | Yes |
| Light effects | — | Yes |
