Buy the Marshall Emberton III if you want the longest battery life and the smallest, lightest speaker. Buy the Bose SoundLink Plus if you want more bass, a phone-charging USB-C port and app EQ. As of November 6, 2026, the Bose is $179.00 at Walmart, while the Marshall's lowest recent price was $130.00 on October 29, 2026.
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Choose the Marshall Emberton III if you want 32+ hours of playtime, a 1.5 lb body that fits in a bag, and a lower price.
Choose the Bose SoundLink Plus if you want bigger bass, app-tuned EQ, multipoint pairing and a USB-C port that charges your phone.
| Marshall Emberton III | Bose SoundLink Plus | |
|---|---|---|
| Battery playtime | 32+ hours | 20 hours |
| Weight | 1.5 lb / 0.67 kg | 3.373 lb |
| Size | 6.3 x 2.7 x 3 in | 11.17 x 4.11 x 3.4 in |
| Charging | 2 hours; 20 minutes gives 6 hours | 5 hours; USB-C in/out |
| Bass and drivers | 2 in drivers plus passive radiators, 2x38 W Class D | 2.5 in mid/bass woofer plus rear-facing subwoofer |
| App and EQ | No app EQ; Dynamic Loudness adjusts tone by volume | Bose app with bass, midrange and treble EQ |
| Pairing | Bluetooth 5.3 LE, Auracast audio sharing | Bluetooth 5.4, multipoint to two devices, Party Mode |
| Phone charging | USB-C charging only | USB-C port charges your phone |
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| Spec | Marshall Emberton III | Bose SoundLink Plus |
|---|---|---|
| Weight | 0.67 kg / 1.5 lb | 3.373 lb |
| Height | 68mm / 2.7" | 4.114" |
| Depth | 76.9 mm / 3" | 3.4 in |
| Water resistance | IP67 | IP67 |
| Wireless connectivity | Bluetooth 5.3 LE | Bluetooth |
| Outdoor | Yes | Yes |
| Bluetooth | Yes | Yes |
| Connectivity Technology | Bluetooth | Bluetooth |
| Ports And Interfaces | USB-C | USB-C |
| Wi-Fi | No | No |
| Assistant Support | No | Google Fast Pair |
| Smart Functions | Audio sharing possibilities with Auracast™ | Multi-room audio (Party Mode) |
| Spec | Marshall Emberton III | Bose SoundLink Plus |
|---|---|---|
| Speaker Placement | Portable | Portable |
| Design Highlights | Portable | Portable |
| Material | PVC-free, 79% recycled plastic | Silicone, Steel |
| Driver Size | 2'' | 2.5-inch (mid/bass woofer) |
| Driver Configuration | Angled within the chassis | Rear-facing (subwoofer) |
| Driver Type | Passive radiators | Tweeter, Passive radiators |
| Number Of Drivers | 2 (passive radiators) | One tweeter, Four passive radiators |
| Max Output Power | 20W | 5.25 Watts |
| Nominal Output Power | 10W (per full-range driver) |
Owners of the Emberton line generally praise the sturdy build, long battery life and loud, full sound for the size. Common complaints center on the bass-forward tuning and the lack of app controls or a speakerphone.
Reviewers rate the SoundLink Plus highly, praising its rugged build, strong bass for its size and long battery life. The IP67 rating and carrying loop come up often as reasons it travels well.
| 15 Watts |
| Battery playtime | 32+ hours | — |
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| Quick charging | 20 minutes charge gives 6 hours of playtime | — |
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| Charging time | 2 hours | — |
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| Width | 160mm / 6.3" | — |
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| Bluetooth range | Up to 100 m in free field | — |
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| Amplifier power | 2X38 W Class D amplifier | — |
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| Frequency range | 65-20,000 Hz | — |
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| Max Wattage | 10 Watt (per driver) | — |
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| Output Level (SPL) | 90 dB SPL @ 1 m | — |
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| Sensitivity | 90 dB | — |
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| Battery life | — | 20 hours |
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| Battery charge time | — | 5 hours |
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| Dimensions | — | 4.114" H x 11.169" W x 3.402" D |
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| Charging interface | — | USB-C In/Out |
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| Microphones | — | No Microphone |
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| Product material | — | Silicone, Polycarbonate, Steel, Nylon |
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| Sound options | — | Party Mode (When Enabling Two Speakers) |
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| Paired devices memory | — | up to six paired devices |
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| Audio Configuration | — | 2.0 |
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