Short answer: the Marshall Emberton III, narrowly, though neither ranks well in its class. It ranks #115 of 157 medium speakers against the Rockster Go’s #119 of 157 and runs 30 hours with a 20 minute quick charge for 4 hours. The Teufel is IP67 and durable with a carrying strap and a wide soundstage via Dynamore processing, but its treble is rolled off, its mids sound strange and its bass is not very deep; the Marshall has an echo-like coloration of its own. Both are rated below 3.0/5 among the 157 medium speakers, and the Earfun Uboom L, ranked #1 at $49.79, is a better place to start if sound quality matters.
Buy the Marshall Emberton III. It is rated higher for sound quality and still sold new, while the Teufel Rockster Go is discontinued.
There is a real battery-life gap here: the Marshall Emberton III is rated for 32 hours, the Teufel Rockster Go only 12 hours.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Marshall Emberton III | Teufel Rockster Go | |
|---|---|---|
| Price | $129.99 | €83.00 Discontinued |
| Ranked | #115 of 157 in Medium Size Portable Bluetooth Speakers | #119 of 157 in Medium Size Portable Bluetooth Speakers |
| App | Yes | No |
| Bass Extension (-10dB) | 62Hz | - |
| Battery Life | 32 hours (Manufacturer specified) | 12 hours (Manufacturer specified) |
| Party Mode | Yes (Marshall Stack) | Yes (Party Link, 2 devices) |
| Weight | 1.5 lbs (673 g) | 1.5 lbs (700 g) |
| IP Rating | IP67 | IPX7 |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | 4.0 |
| Dimensions | 6.3” x 2.7” x 3” (160 x 68 x 76 mm) | 8.3” x 3.9” x 3.9” (210 x 100 x 100 mm) |
| Drivers | 2x 2” full-range cone drivers + 2x 2” passive radiators | 2x 45mm full-range drivers + 1x passive radiator |
| TWS | No | Yes |
| EQ | Yes (3 presets via app) | No |
| Built-in Microphone | Yes | Yes |
| Stereo | Yes | Yes |
| Omnidirectional | Yes | No |
| Power Input | USB-C | Micro USB |
| Power Bank | No | - |
| Aux Input | No | Yes |
| Amplifier Power | 20W | - |
| Bluetooth Codecs | SBC | aptX, SBC |
| Digital Aux Input | No | No |
| Strap | No | - |
Related Speaker Comparisons
How Marshall Emberton III compares with other leading options:
- Marshall Emberton III vs Earfun Uboom L
- Soundcore Motion 300 vs Marshall Emberton III
- Soundcore Motion+ vs Marshall Emberton III
- Soundcore Boost “upgraded” 2021 vs Marshall Emberton III
- Marshall Emberton III vs Minirig 4
Prices on this page were last checked October 3, 2026 at 10:26 PM UTC. Product prices and availability are accurate as of that date/time and are subject to change; the price and availability shown on Amazon at the time of purchase will apply to the purchase of this product.
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The Two Speakers In Full
Marshall Emberton III: $129.99 Amazon eBay
Older model: the Marshall Emberton II (ranked lower, rated 2.7/5).
Pros: 30 hour battery life: among the best in its class; a 20 min quick-charge gives 4 hours. IP67 rated, durable rubbery build using 50% recycled plastic. Measured bass extension of 62Hz (-10dB).
Cons: Strange unnatural echo-like sound coloration, bass not as deep as competitors. Not technically a 360 speaker, only front and rear. Not very loud. Not really any different from the Emberton II except having the treble turned down a little bit.
Full Marshall Emberton III review and specifications →
| Amplifier Power | 20W |
|---|---|
| App | Yes |
| Aux Input | No |
| Bass Extension (-10dB) | 62Hz |
| Battery Life | 32 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 6.3” x 2.7” x 3” (160 x 68 x 76 mm) |
| Drivers | 2x 2” full-range cone drivers + 2x 2” passive radiators |
| EQ | Yes (3 presets via app) |
| IP Rating | IP67 |
| Omnidirectional | Yes |
| Party Mode | Yes (Marshall Stack) |
| Power Bank | No |
| Power Input | USB-C |
| Stereo | Yes |
| Strap | No |
| TWS | No |
| Weight | 1.5 lbs (673 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Marshall Emberton III vs Bose SoundLink Color II
- Marshall Emberton III vs Marshall Emberton II
- Marshall Emberton III vs Yamaha True X Speaker 1A
- Marshall Emberton III vs Sony SRS-XB20
- Marshall Emberton III vs Sony SRS-XB30
- Marshall Emberton III vs Tribit Stormbox
- Marshall Emberton III vs Soundcore Flare 2
- Marshall Emberton III vs Sony SRS-XE300
- See all 134 comparisons
Teufel Rockster Go: €83.00 Discontinued eBay
Newer model: the Teufel Rockster Go 2, ranked higher, rated 3.2/5.
Pros: Clear mid-range with bright treble, wide soundstage via Dynamore processing, IP67 waterproof and durable, solid battery life, compact design with carrying strap
Cons: Rolled off treble, muffled sound, mids sound strange. Bass not very deep. Only available in Europe. Discontinued.
Full Teufel Rockster Go review and specifications →
| App | No |
|---|---|
| Aux Input | Yes |
| Battery Life | 12 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | aptX, SBC |
| Bluetooth Version | 4.0 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 8.3” x 3.9” x 3.9” (210 x 100 x 100 mm) |
| Drivers | 2x 45mm full-range drivers + 1x passive radiator |
| EQ | No |
| IP Rating | IPX7 |
| Omnidirectional | No |
| Party Mode | Yes (Party Link, 2 devices) |
| Power Input | Micro USB |
| Stereo | Yes |
| TWS | Yes |
| Weight | 1.5 lbs (700 g) |
- Links
- Reviews, Comparisons and Sound Samples
- No independent measurement review is linked for this model; it is ranked from hands-on listening and comparison against similarly priced speakers.
- Head-to-Head Comparisons
- Teufel Rockster Go vs Sony SRS-XB30
- Teufel Rockster Go vs Soundcore Flare 2
- Teufel Rockster Go vs Marshall Emberton II
- Teufel Rockster Go vs TDK A33
- Teufel Rockster Go vs Bose SoundLink Color II
- Teufel Rockster Go vs B&O Beosound Explore
- Teufel Rockster Go vs Tribit Stormbox Mini+
- Teufel Rockster Go vs Sony SRS-XB20
- See all 19 comparisons