Short answer: the DOSS Soundbox XL. It ranks #80 of 120 large speakers by sound quality, rated 3.1/5, at $79.99; the Marshall Stockwell III ranks #84, rated 3.0/5, and costs $249.99, so there is little reason to consider the other one.
The DOSS Soundbox XL is the lighter option. A light, affordable speaker with a built in subwoofer, splash resistance, microSD playback, and stereo pairing. At 1.2 lbs (557 g) it weighs much less than the Marshall Stockwell III at 2.9 lbs (1.3 kg). The catch: A little hollow sounding.
The Marshall Stockwell III is the longer-running pick. A stylish, rugged speaker with a very long battery you can swap yourself, a detailed app EQ, and power bank charging. It is rated for 40 hours of battery against 10 for the DOSS Soundbox XL. It supports AAC Bluetooth, which the DOSS Soundbox XL lacks. It has an adjustable EQ, which the DOSS Soundbox XL lacks. The tradeoff: Highs are recessed by default and need the treble control maxed to compensate, still lacking detail even then.
Buy the DOSS Soundbox XL. It is rated higher for sound quality than the Marshall Stockwell III and costs less, so it is the default pick unless a specific strength of the other one matters more to you.
Want more options? Browse the full Portable Bluetooth rankings.
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Specifications Side By Side
| DOSS Soundbox XL | Marshall Stockwell III | |
|---|---|---|
| Price | $79.99 | $249.99 |
| Ranked | #80 of 120 in Large Size Portable Bluetooth Speakers | #84 of 120 in Large Size Portable Bluetooth Speakers |
| Aux Input | Yes | Yes |
| Bass Extension (-10dB) | 55Hz | - |
| Battery Life | 10 hours (Manufacturer specified) | 40+ hours (Manufacturer specified) |
| IP Rating | IPX4 | IP55 |
| Maximum SPL | 100dB (measured by Alan Ross Reviews) | - |
| MicroSD Playback | Yes | - |
| Power Input | AC Power brick | USB-C |
| Weight | 1.2 lbs (557 g) | 2.9 lbs (1.3 kg) |
| App | No | Yes |
| Bluetooth | Yes | Yes |
| Bluetooth Codecs | SBC | SBC, AAC, LE Audio with LC3 |
| Built-in Microphone | Yes | - |
| EQ | No | Yes (parametric, via app) |
| Party Mode | No | - |
| Power Bank | No | Yes |
| Stereo | Yes | Partially |
| Omnidirectional | No | Yes |
| TWS | Yes | No |
| Bluetooth Version | 4.0 | 5.3 |
| Drivers | 1x 76mm subwoofer, 2x 50mm fullrange | 1x 3” woofer, 2x 1.75” wide-band drivers |
| Dimensions | 11.8” x 2.6” x 5.2” (300 x 66 x 132 mm) | 7.1” x 6.4” x 2.9” (180 x 162 x 74 mm) |
| Frequency Response | 40Hz - 20kHz (Manufacturer specified) | 54Hz - 20kHz (Manufacturer specified) |
| Amplifier Power | 32W | 44W |
| Digital Aux Input | No | No |
| Strap | - | Yes (detachable strap) |
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