vs
3.8Sound6.1
6.9Battery7.9
8.9Build & features5.4
Dimensions
Size comparison
Willen IIULT FIELD 3
| Willen II | ULT FIELD 3 | Difference | |
|---|---|---|---|
| Height | 100.5 mm | 113 mm | −12.5 mm |
| Width | 100.5 mm | 256 mm | −155.5 mm |
| Depth | 43.5 mm | 79 mm | −35.5 mm |
| Weight | 360 g | 1,200 g | −840 g |
Drawn to the same scale from the official dimensions (front and side).
Why is Willen II better than ULT FIELD 3?
- Weight360 g vs 1,200 g3.3×
- Output power38 W vs 30 W+27%
Why is ULT FIELD 3 better than Willen II?
- Battery life17 h vs 24 h+41%
- Lowest frequency75 Hz vs 20 Hz3.8×
Specifications
Side by side
| Sound | ||
| Driver type | Dynamic | — |
| Driver size | 50.8 mm | — |
| Output power | 38 W | 30 W |
| Speaker channels | 1.0 | — |
| Channel count | 1 | — |
| Lowest frequency | 75 Hz | 20 Hz |
| Highest frequency | 20,000 Hz | 20,000 Hz |
| Stereo | No | — |
| Battery & charging | ||
| Battery life | 17 h | 24 h |
| Charging time | 2.5 h | — |
| Quick charge (claimed) | 20 min → 5.5 h | — |
| Fast charging support | Yes | — |
| Power bank function | — | Yes |
| Mains powered | No | No |
| Battery powered (portable) | Yes | Yes |
| Connectivity | ||
| Wireless | Yes | Yes |
| Bluetooth version | 5.3 | 5.2 |
| Bluetooth codecs | SBC | AAC, 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 | — |
| Design & build | ||
| Weight | 360 g | 1,200 g |
| Width | 100 mm | 256 mm |
| Height | 100 mm | 113 mm |
| Depth | 44 mm | 79 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 |
