Ultimate Ears Wonderboom 4 vs Tribit Stormbox Micro 2
Pick the Wonderboom 4 for louder 360° sound, longer playtime and a floating, drop-tested body. Pick the StormBox Micro 2 for a pocket-sized speaker that clips to a pack and can charge your phone. On price they are close: the Wonderboom 4 was $64.99 at its lowest daily price since October 28, 2026, and the StormBox Micro 2 is $61.95 at eBay as of November 3, 2026, with a low of $49.99 on October 29, 2026.
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Ultimate Ears Wonderboom 4
4.6Choose the Wonderboom 4 if you want the bigger, louder speaker with 14 hours of playtime, 360° sound and an Outdoor Boost mode.
Pros
- 14 hours of playtime beats most speakers this size.
- 360° sound with a dedicated Outdoor Boost mode.
- Floats in water and survives 5-foot drops.
- Podcast Mode EQ keeps vocals clear.
Cons
- No strap or clip, so it is harder to lash to a pack.
- Bigger and heavier than the Tribit.
- No power-bank output for charging a phone.
What separates them
| Ultimate Ears Wonderboom 4 | Tribit Stormbox Micro 2 | |
|---|---|---|
| Battery life | 14 hours | Up to 12 hours (10 hours in the product description) |
| Sound setup | 360° sound with stereo drivers and Outdoor Boost and Podcast EQ modes | Single 48 mm front-facing driver with passive radiators and XBASS |
| Size and carry | Cylinder that floats; no strap | Pocket-sized with an integrated rubber strap to clip to a backpack or bike |
| Water and dust | IP67, submersible to 1 m for 30 minutes, floats | IP67, submersible to about 3 feet |
| Bluetooth | Bluetooth, 40 m range | Bluetooth 5.3, up to 120 feet (about 36 m) |
| Charging and power out | Charges in about 2.6 hours; no power-bank output | USB-C; doubles as a power bank for a phone |
| Volume behaviour | 86 dBC normal, 87 dBC in Outdoor Boost |
Price history
$64.99$49.99
- Ultimate Ears Wonderboom 4: lowest $64.99 on Oct 28 at Amazon; $64.99 on Nov 1.
- Tribit Stormbox Micro 2: lowest $49.99 on Oct 29 at Amazon; $59.99 on Nov 3.
Prices at every store
Ultimate Ears Wonderboom 4
- AdoramaCheck price at Adorama
- AmazonCheck price at Amazon
- Best BuyCheck price at Best Buy
Tribit Stormbox Micro 2
- eBayNew
In stock
$61.95Observed at 7:46 AM - TribitNew
In stock
$59.99+ $7.00 shippingObserved at 7:46 AM - Newegg.comNew
In stockSold by RunRich Garden
$72.99Free shippingObserved at 7:46 AM
Also available at
- AmazonCheck price at Amazon
- eBayCheck price at eBay
Specs compared
| Spec | Ultimate Ears Wonderboom 4 | Tribit Stormbox Micro 2 |
|---|---|---|
| Battery life | 14 hours | — |
| Water and dust rating | IP67 | — |
| Wireless range | 40 meters | — |
| Drop resistance | 5-foot drops | — |
| Maximum sound level | 86 dBC (normal) and 87dBC (outdoor) | — |
| Charge time | 2.6 h (with BC1.2 Compliant Adapter) | — |
| Water immersion | up to 1m for up to 30 min | — |
| Connectivity | Bluetooth | — |
| Outdoor | — | Yes |
| Bluetooth | — | Bluetooth 5.3, Yes |
Questions and answers
- Which sounds better outdoors?
- The Wonderboom 4. Its 360° drivers and Outdoor Boost mode are tuned for open air, and it hits 87 dBC. The StormBox Micro 2 is mono and its bass thins at top volume.
- Which lasts longer on a charge?
- The Wonderboom 4, at 14 hours. Tribit lists up to 12 hours for the Micro 2, and its auto power saving cuts volume at about 40% battery.
- Is the StormBox Micro 2 worth the extra over the Wonderboom 4?
- It is not extra: $61.95 at eBay as of November 3, 2026, against $64.99 for the Wonderboom 4 at its lowest daily price since October 28, 2026. Pay the few dollars more for the Wonderboom 4 unless you need the clip strap or the power-bank output.
- Can either charge my phone?
- Only the StormBox Micro 2. It works as a power bank over USB-C. The Wonderboom 4 has no power-out port.
- Which is tougher around water?
- Both are IP67. The Wonderboom 4 is rated to sit in 1 m of water for 30 minutes and floats. Tribit rates the Micro 2 to about 3 feet of submersion.
- Which is easier to carry on a hike?
- The StormBox Micro 2. It is pocket-sized and has a strap for a backpack or bike. The Wonderboom 4 is a larger cylinder with no strap.
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