Dimensions
Size comparison
Willen IIMZ7
| Willen II | MZ7 | Difference | |
|---|---|---|---|
| Height | 100.5 mm | 160 mm | −59.5 mm |
| Width | 100.5 mm | 300 mm | −199.5 mm |
| Depth | 43.5 mm | 102 mm | −58.5 mm |
Drawn to the same scale from the official dimensions (front and side).
Why is Willen II better than MZ7?
- Charging time2.5 h vs 5 h2×
- Water resistance (IPx)IPx7 vs IPx6+17%
- Lowest frequency75 Hz vs 130 Hz+73%
- Bluetooth version5.3 vs 5+6%
- Highest frequency20,000 Hz vs 18,000 Hz+11%
Why is MZ7 better than Willen II?
- Battery life17 h vs 24 h+41%
- Output power38 W vs 40 W+5%
Specifications
Side by side
| Sound | ||
| Driver type | Dynamic | — |
| Driver size | 50.8 mm | — |
| Output power | 38 W | 40 W |
| Speaker channels | 1.0 | — |
| Channel count | 1 | — |
| Lowest frequency | 75 Hz | 130 Hz |
| Highest frequency | 20,000 Hz | 18,000 Hz |
| Stereo | No | — |
| Battery & charging | ||
| Battery life | 17 h | 24 h |
| Battery capacity | — | 2,500 mAh |
| Charging time | 2.5 h | 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 |
| 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 |
| 3.5 mm jack / AUX | — | Yes |
| Smart & streaming | ||
| Companion app | Yes | — |
| Design & build | ||
| Weight | 360 g | — |
| Width | 100 mm | 300 mm |
| Height | 100 mm | 160 mm |
| Depth | 44 mm | 102 mm |
| Protection rating | IP67 | IPX6 |
| Water resistance (IPx) | IPx7 | IPx6 |
| Dust protection (IP) | 6 | — |
| Colours | — | Black |
| Features | ||
| Hands-free calls | Yes | Yes |
