| Model |
Marshall Willen II Portable Bluetooth Speaker |
| Driver |
1 × 2″ (≈ 5.1 cm) full-range dynamic driver |
| Passive Radiators |
2 × passive radiators |
| Amplifier |
38 W Class-D amp |
| Power Output |
10 W driver (with passive radiators & amp for fuller sound) |
| Frequency Response |
~75 Hz to 20 kHz |
| Maximum Sound Pressure Level (SPL) |
~88 dB SPL @ 1 m |
| Connectivity |
Bluetooth 5.3 LE with Auracast support |
| Wireless Range |
Up to 100 m (free field / ideal conditions) |
| Microphone |
Built-in mic for calls / voice assistant |
| Power & Battery |
Up to 17+ hours playback per charge |
| Charging |
USB-C charging; full charge in ~2.5 hours |
| Quick Charge |
~20 min charge ≈ 5–6 hours playback (varies by volume) |
| Water / Dust Resistance |
IP67 — dustproof and waterproof (submersion ~1 m for 30 min) |
| Design & Build |
Compact, rugged, portable; equipped with rubber fastening strap for use outdoors / on the move |
| Controls |
Multi-directional control knob (play/pause, skip, volume), Bluetooth pairing button, battery status LED |
| Dimensions |
~100.5 × 100.5 × 43.4 mm (approx. 4 x 4 x 1.7 inches) |
| Weight |
~0.36 kg (≈ 0.79 lb) |
| Included in Box |
Speaker unit, USB-C charging cable, user manual / documentation |
| Environmental / Material Info |
PVC-free housing — built with 70% recycled plastic & vegan materials (depending on variant) |
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