Short answer: the Tribit Stormbox 2, narrowly. It is a little better sounding than the Stormbox 1 with less of a rolled off treble, though its side-mounted drivers roll the treble off when you listen face on. The Wonderboom is IP67 rated and floats, but it is not stereo, has barely any bass and recessed treble.
Buy the Tribit Stormbox 2. It is rated higher for sound quality, and the Ultimate Ears Wonderboom is discontinued, so it is only available used.
There is a real battery-life gap here: the Tribit Stormbox 2 is rated for 24 hours, the Ultimate Ears Wonderboom only 10 hours.
Still deciding? The full Portable Bluetooth rankings cover every ranked option.
Specifications Side By Side
| Tribit Stormbox 2 | Ultimate Ears Wonderboom | |
|---|---|---|
| Price | $70 | $79 Discontinued |
| Ranked | #102 of 164 in Medium Size Portable Bluetooth Speakers | #109 of 164 in Medium Size Portable Bluetooth Speakers |
| App | Yes | No |
| Aux Latency | 200ms | - |
| Battery Life | 24 hours (Manufacturer specified) | 10 hours (Manufacturer specified) |
| Built-in Microphone | Yes | No |
| EQ | Yes | No |
| IP Rating | IPX7 | IPX7 |
| Bluetooth Latency | 400ms AAC, 400ms SBC | - |
| Maximum SPL | 99dB (measured by Alan Ross Reviews) | - |
| Party Mode | No | No |
| Stereo | No (front/rear drivers) | No |
| Omnidirectional | Yes | Yes |
| TWS | Yes | Yes |
| Weight | 1.3 lbs (593 g) | 0.9 lbs (425 g) |
| Bluetooth | Yes | Yes |
| Bluetooth Version | 5.3 | - |
| Drivers | 2x 48mm fullrange | 2x 1.6” active drivers + 2x 1.8” x 2.6” passive radiators |
| Dimensions | 7.1” x 2.7” x 2.7” (180 x 69 x 69 mm) | 4” x 3.7” (102 x 93.5 mm) |
| Frequency Response | 70Hz - 20kHz (Manufacturer specified) | - |
| Amplifier Power | 34W RMS | - |
| Digital Aux Input | No | No |
| Bluetooth Codecs | SBC, AAC | SBC (inferred; additional codecs unverified) |
| Aux Input | Yes | No |
| Power Input | USB-C | Micro USB |
| Strap | - | Yes (built-in loop) |
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Prices on this page were last checked October 4, 2026 at 9:58 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
Tribit Stormbox 2: $70 Amazon eBay
Older model: the Tribit Stormbox (ranked lower, rated 2.8/5).
Pros: A little better sounding than the Stormbox 1, less of a rolled off treble. Keep Xbass on for best frequency response.
Cons: Drivers on the side, so it will have a rolled off treble listening to it face on.
Full Tribit Stormbox 2 review and specifications →
| Amplifier Power | 34W RMS |
|---|---|
| App | Yes |
| Aux Input | Yes |
| Aux Latency | 200ms |
| Battery Life | 24 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC, AAC |
| Bluetooth Latency | 400ms AAC, 400ms SBC |
| Bluetooth Version | 5.3 |
| Built-in Microphone | Yes |
| Digital Aux Input | No |
| Dimensions | 7.1” x 2.7” x 2.7” (180 x 69 x 69 mm) |
| Drivers | 2x 48mm fullrange |
| EQ | Yes |
| Frequency Response | 70Hz - 20kHz (Manufacturer specified) |
| IP Rating | IPX7 |
| Maximum SPL | 99dB (measured by Alan Ross Reviews) |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Input | USB-C |
| Stereo | No (front/rear drivers) |
| TWS | Yes |
| Weight | 1.3 lbs (593 g) |
- Links
- Reviews, Comparisons and Sound Samples
- Head-to-Head Comparisons
- Tribit Stormbox 2 vs Soundcore 2
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- See all 109 comparisons
Ultimate Ears Wonderboom: $79 Discontinued eBay
Newer model: the Ultimate Ears Wonderboom 4, ranked higher, rated 2.9/5.
Pros: IP67 rated and floats. Compact, light, and simple to use.
Cons: Not stereo, barely any bass, recessed treble. Dip at 9kHz. Low mid bass distortion. Not technically a 360 speaker, only front and rear. Discontinued.
Full Ultimate Ears Wonderboom review and specifications →
| App | No |
|---|---|
| Aux Input | No |
| Battery Life | 10 hours (Manufacturer specified) |
| Bluetooth | Yes |
| Bluetooth Codecs | SBC (inferred; additional codecs unverified) |
| Built-in Microphone | No |
| Digital Aux Input | No |
| Dimensions | 4” x 3.7” (102 x 93.5 mm) |
| Drivers | 2x 1.6” active drivers + 2x 1.8” x 2.6” passive radiators |
| EQ | No |
| IP Rating | IPX7 |
| Omnidirectional | Yes |
| Party Mode | No |
| Power Input | Micro USB |
| Stereo | No |
| Strap | Yes (built-in loop) |
| TWS | Yes |
| Weight | 0.9 lbs (425 g) |
- 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
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- See all 74 comparisons