vs
3.6Sound8.6
6.9Battery7.0
8.8Build & features5.4
Dimensions
Size comparison
Willen IIBoom 2 Plus
| Willen II | Boom 2 Plus | Difference | |
|---|---|---|---|
| Height | 100.5 mm | 228 mm | −127.5 mm |
| Width | 100.5 mm | 442 mm | −341.5 mm |
| Depth | 43.5 mm | 151 mm | −107.5 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Willen II better than Boom 2 Plus?
Willen II has no measurable advantages in this pair.
Why is Boom 2 Plus better than Willen II?
- Output power38 W vs 140 W3.7×
- Battery life17 h vs 20 h+18%
- Lowest frequency75 Hz vs 40 Hz+88%
Specifications
Side by side
| Sound | ||
| Driver type | Dynamic | — |
| Driver size | 50.8 mm | — |
| Output power | 38 W | 140 W |
| Speaker channels | 1.0 | — |
| Channel count | 1 | — |
| Lowest frequency | 75 Hz | 40 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Spatial / 3D audio | — | Yes |
| Stereo | No | — |
| Battery & charging | ||
| Battery life | 17 h | 20 h |
| Charging time | 2.5 h | — |
| Quick charge (claimed) | 20 min → 5.5 h | — |
| Fast charging support | Yes | Yes |
| Power bank function | — | 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 | Yes |
| Auracast | Yes | Yes |
| USB-C | Yes | Yes |
| 3.5 mm jack / AUX | — | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 360 g | — |
| Width | 100 mm | 442 mm |
| Height | 100 mm | 228 mm |
| Depth | 44 mm | 151 mm |
| Protection rating | IP67 | IPX7 |
| Water resistance (IPx) | IPx7 | IPx7 |
| Dust protection (IP) | 6 | — |
| Floats | — | Yes |
| Colours | — | Phantom Black, Adventure Green, Explorer Blue |
| Features | ||
| Hands-free calls | Yes | Yes |
| Party / stereo pairing | — | Yes |
| Light effects | — | Yes |







