| MODEL | Willen II |
| SPEAKER TYPE | PORTABLE |
| POWER AMPLIFIERS | One 38 Watt Class D amplifier |
| WOOFFER & TWEETER | One 2” 10 W full range (10W) |
| Two passive radiators | |
| WIRELESS CONNECTIVITY | Bluetooth 5.3 LE @10 m, 30 ft |
| MULTI-HOST FUNCTIONALITY | Auracast |
| FREQUENCY RANGE | 75-20,000 Hz |
| SOUND LEVEL | 88 dB SPL @ 1 m |
| SOUND DIRECTION | Single Side (front) |
| STEREO/MONO | Mono (Front & Back) |
| DRIVER TYPE | Dynamic |
| CABINET PRINCIPLE | Sealed with passive radiator |
| CONTROL PANEL | Multi-directional control-knob: (TOP RIGHT) |
| Play/pause, Forward, skip track, Volume control | |
| Bluetooth pairing button | |
| Battery indicator (LED 5 level) | |
| On/Off button | |
| MICROPHONE | YES |
| WATER PROOF / IPX / IP | IP67 |
| PLAY TIME | 17+ hours |
| BATTERY | Built-in, rechargeable Li-ion battery 2xxx mAh |
| FULL CHARGE | 2.5 hours (full charge) 20 minutes charge gives 5.5 hours of playtime (quick charge) |
| CONTROL PANEL | Multi-directional control knob |
| Bluetooth pairing button | |
| Status LED (on top right side) | |
| On/Off button | |
| CODEC | LC3 |
| POWER SUPPLY | Adapter charger USB-C 5V/1.5A |
| POWER CONSUMPTION | 5V ⎓ 1.5A |
| UNIT DISMENSION | (WxHxD) 10.05 x 10.05 x 4 .34 cm. |
| UNIT WEIGHT | 0.36 kg |
| BOX DISMENSION | (WxHxD) 14.3 x 16x 9.5 cm. |
| BOX CONTENT | 1. Willen II speaker |
| 2. User manual | |
| 3. Type-C to Type-C charging cable | |
| 4. Legal and safety information | |
| COLOUR | Black & brass, Cream |
| COMPATIBLE APP | Marshall Bluetooth App |