Ultimate Ears Megaboom 3 vs Marshall BT Speaker WILLEN II
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Key specifications and important differences. Full details follow below.
| Feature |  Ultimate Ears Megaboom 3 |  Marshall BT Speaker WILLEN II |
|---|---|---|
| Price | KSh 22,500.00 | KSh 20,000 |
| Weight | — | 0.36 kg |
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Full specifications
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General
| Specification | Ultimate Ears Megaboom 3 | Marshall BT Speaker WILLEN II |
|---|---|---|
| Brand | Ultimate Ears | Marshall |
| Model | Megaboom 3 | WILLEN II |
| Type | Portable Bluetooth Speaker | Portable Bluetooth Speaker |
| Color | — | Black and Brass, Cream |
Audio
| Specification | Ultimate Ears Megaboom 3 | Marshall BT Speaker WILLEN II |
|---|---|---|
| Drivers | 2x 50mm full range, 2x 55x86mm passive radiators | 1 x 2-inch 10 W full-range driver; 2 passive radiators |
| Speaker Configuration | — | Mono; sealed with passive radiator |
| Frequency Response | — | 75 Hz-20 kHz |
| Maximum SPL | — | 88 dB SPL @ 1 m |
| Amplifier | — | 38 W Class D amplifier |
| Audio Channels | — | Mono |
| Sound Modes / EQ | — | Balanced audio; Enhanced bass |
| Audio Features | — | Marshall Signature Sound; sealed with passive radiator; built-in microphone; Bluetooth LE Audio-ready |
Connectivity
| Specification | Ultimate Ears Megaboom 3 | Marshall BT Speaker WILLEN II |
|---|---|---|
| Bluetooth | 4.2 | Bluetooth 5.3 LE; Bluetooth LE Audio-ready |
| Wi-Fi | N/A — Bluetooth-only portable speaker | N/A — Bluetooth-only portable speaker |
| HDMI | N/A — portable speaker design | N/A — portable speaker design |
| Microphone / Guitar Inputs | N/A — no microphone or guitar input | N/A — no microphone or guitar input |
| Multi-Speaker / Stereo Pairing | Up to 150+ speakers (PartyUp App) | — |
| Bluetooth Range | — | Up to 100 m in free field |
| Bluetooth Profiles / Codecs | — | Bluetooth LE Audio-ready; Auracast-ready |
| App Support | — | Marshall Bluetooth app (iOS and Android) |
Power & Battery
| Specification | Ultimate Ears Megaboom 3 | Marshall BT Speaker WILLEN II |
|---|---|---|
| Power Source | Rechargeable battery / USB charging | Rechargeable battery / USB charging |
| Battery Life | Up to 20 hours | 17+ hours |
| Charging Time | — | 2.5 hours |
| Fast Charging | — | 20 minutes gives 5.5 hours of playtime |
| Charging Port | — | USB-C |
Design & Controls
| Specification | Ultimate Ears Megaboom 3 | Marshall BT Speaker WILLEN II |
|---|---|---|
| Water & Dust Resistance | IP67 (Waterproof, Dustproof, Floats) | IP67 |
| Placement / Mounting | Free-standing portable placement | Free-standing portable placement |
| Controls | — | Multi-directional control knob; on/off button; Bluetooth pairing button; battery indication |
Features
| Specification | Ultimate Ears Megaboom 3 | Marshall BT Speaker WILLEN II |
|---|---|---|
| Voice Assistant | N/A — no built-in voice assistant | N/A — no built-in voice assistant |
| Lightshow | N/A — no party lightshow | N/A — no party lightshow |
| Party Features | N/A — not a party-speaker product | N/A — not a party-speaker product |
| Home Cinema Features | N/A — not a home-cinema speaker | N/A — not a home-cinema speaker |
| Special Features | — | Bluetooth LE Audio-ready; built-in microphone for hands-free calls; rubber fastening strap; IP67; Marshall Bluetooth app |
What's in the Box
| Specification | Ultimate Ears Megaboom 3 | Marshall BT Speaker WILLEN II |
|---|---|---|
| Speaker / Soundbar | Megaboom 3 | WILLEN II |
| Subwoofer | N/A — no subwoofer supplied | N/A — no subwoofer supplied |
| Remote Control | N/A — no remote control supplied | N/A — no remote control supplied |
| Power Cable | USB charging cable | USB charging cable |
| Audio / HDMI Cable | N/A | N/A |
| Mounting Accessories | N/A — portable design | N/A — portable design |
| Other Accessories | N/A | N/A |
| Documentation | Quick Start Guide and safety documentation | Quick Start Guide and safety documentation |
Design
| Specification | Ultimate Ears Megaboom 3 | Marshall BT Speaker WILLEN II |
|---|---|---|
| Dimensions | — | 100.5 x 100.5 x 43.4 mm (W x H x D) |
| Weight | — | 0.36 kg |