Shortly after purchasing a couple of the Tribit Strombox Micro's, I quickly came to realize that although they were waterproof, they did not float. So I was once again on my quest for a mini travel speaker that I could use in the pool without worry.
Enter the Wonderboom 2 by Ultimate Ears (Logitech). Sharing much of the same features as the Tribit Stormbox Micro, I'll once again share my thoughts on the good, the bad, and the ugly...
The good:
Not as small as the Tribit, but still small enough to fit in your hand at about 4" high and 3.5" diameter.
Large volume control buttons on face with track control on top.
Uses one of the more recent Bluetooth versions (v5.0)
Two 40mm active drivers pumping out 87db of sound
360° sound output
Can pair one speaker to two different devices simultaneously.
Can link TWO Wonderboom 2's for Stereo sound.
13 hour playback (max volume ~ 9.5 hrs) is sufficient to last an outing for an entire day.
IP67 Rating means it's both dustproof and waterproof (rated 30 minutes submerged in 3.3 feet of water).
Drop proof from a distance of 5 feet.
It floats!
It recharges at 5V @ 2A, so it takes about 2.5hrs to fully charge.
The Bad:
There's no 3.5mm port on this speaker (Bluetooth connection only).
Micro USB port for charging (not USB-C).
No Microphone (so no phone calls, Siri, or Alexa capability/support).
Only supports standard SBC Codec (does not support AptX or AAC).
The Ugly:
Nothing to note really.
Overall, if you're looking for a Bluetooth speaker that's portable, sounds good, and floats, then the Wonderboom 2 should definitely be considered. The build quality, design, and feature set (particularly the IP67 dustproof and waterproof rating, the portable and rugged design, and the ability to pair to multiple devices simultaneously for stereo sound) is a direct competitor to the Tribit Strombox Micro. Each has their own unique advantages. The Tribit Stormbox has the versatile strap that easily and securely attaches to anything within 1.5" thick, and the Wonderboom 2 floats. Wonderboom 2's battery lasts 60% longer and charges 40% faster than the Tribit, but the Tribit has a microphone (albeit a bad one) and supports calls, Google, Siri, and Alexa. Lastly, keep in mind that although the Wonderboom 2 may have better features (longer battery life, quicker charging times, etc), it's also currently priced at about 50% higher than the Tribit Stormbox. Despite all the overlapping features, I have no regrets with my Wonderboom 2 purchase, the floatability was what I was after, and it delivered as promised.
2021-07-31 Update.
There seems to be many questions about speaker watts, so I'm updating my original review to hopefully shed some light on wattage and sound.
Wattage is a unit of power (Volts x Amps = Watts) and is indicative of how much power the amplifier uses to generate sound. It's the speaker sensitivity (Sound Pressure Level or SPL rating) and amplification that will determine how loud that sound is. In other words, a 7W speaker can produce more sound than an 8W speaker depending on the SPL of the speaker.
Loudness is measured in decibels, and is independent of sound quality. The two often have an inverse relationship, that is, loudness often comes at the cost of sound quality. With the WonderBoom 2 (WB2), volumes of 8+ will cause noticeable degradation in sound quality. The WB2 does have "Outdoor Mode" designed to boost volume levels even more, but when your primary focus is sound travel (coverage area), the degradation in quality is often acceptable.
The best way to judge speakers is to hear them. Everyone has their own sensitivities to sound, if you can, try to demo a speaker at a brick and mortar store before making your purchase. If it sounds good to you, then that's all that matters. But if you're exclusively an online shopper type of person, here's what I've found online:
The original WB outputs a max 86 decibels. The WB2 has a max output of 86 decibels; however, the WB2 has Stereo linking capabilities (link to another WB2 which will effectively doubles the "loudness" as each will produce 86 decibels) as well as "Outdoor Mode" to increase overall sound from 86 decibels to 87 decibels.
To make these numbers more meaningful, here's a comparison of sounds of common things you may hear at different decibel levels:
20 db (FAINT - leaves rustling)
30-40 db (SOFT - whispers)
50-60 db (MODERATE - normal conversation)
70-80 db (LOUD - vacuum)
NOTE: 85+ db's over extended periods of time can cause permanent hearing loss!
90-110 db (VERY LOUD - hair dryer, power tools, car horns) *** dangerous over 30 mins ***
120 db (UNCOMFORTABLE - jet plane on take-off) *** dangerous over 30 seconds !!! ***
130-140 db (PAINFUL & DANGEROUS - ambulance, fireworks) *** use protection or avoid ***
** Your eardrums will rupture at 150 db ***
NOTE: Decibel levels are also not straight line values, meaning that 110 db is not 10% louder than 100 db. 70 db is the normal threshold of "loudness" or the level of volume most people endure during a normal day (traffic, vacuum, alarm clocks), so using this as the baseline for comparison, moving in either direction, the levels of sound are exponential.
e.g. 80 db is TWICE as loud as 70 db
90 db is FOUR times as loud as 70 db (twice as loud as 80 db)
100 db is EIGHT times as loud as 70 db (twice as loud as 90 db)
110 db is SIXTEEN times as loud as 70 db (Avg. human pain threshold)
120 db is THIRTY TWO times as loud as 70 db (Painful to hear)
Moving in the other direction:
60 db is 1/2 as loud as 70 db
50 db is 1/4 as loud as 70 db
40 db is 1/8 as loud as 70 db
30 db is 1/16 as loud as 70 db
20 db is 1/32 as loud as 70 db
So the increase from 86 db to 87 db may not appear to be much of a boost, but that extra db will actually increase the maximum sound output by 25.89%. Furthermore, with speakers, 80% - 90% of the sound is generated within the first watt of power. Thereafter, a doubling of power will produce marginal increases in sound output.
e.g. 1 watt = 78 db
2 watts = 81 db
4 watts = 84 db
8 watts = 87 db
On a ending note, before you go out there and try to find a speaker that will produce rock concert, ear drum rupturing sound, keep in mind that manufacturers have the social responsibility to ensure that their products are safe for consumers. The National Institute for Occupational Safety and Health (NIOSH) have set safety guidelines to prevent hearing loss. This includes limiting workers to exposure of 85 db within a 8-hour work day (with hearing protection provided as a requirement). UE is already pushing these limits with the WB & WB2 at 86 db, and now 87 db (the limit in the United Kingdom).
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This product has sustainability features recognized by trusted certifications.
Carbon impact
Carbon emissions from the lifecycle of this product were measured, reduced and offset.
As certified by
Carbon Neutral Certified by SCS Global Services Carbon Neutral Certified by SCS Global Services enables companies to demonstrate carbon neutrality for their products by reducing carbon emissions throughout their operations and offsetting their remaining carbon footprint through the purchase of carbon credits. SCS Global Services is a global leader in third-party environmental and sustainability verification, certification, auditing, testing, and standards development. SCS is a chartered Benefit Corporation, reflecting its commitment to socially and environmentally responsible business practices.
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Compare with similar items
This Item  Ultimate Ears WONDERBOOM 2, Portable Wireless Bluetooth Speaker, Big Bass 360 Sound, Waterproof/Dustproof IP67, Floatable, 100 Ft Range - Bermuda Blue |  |  |  |  | | |
| Price | — | -29% $71.00 List: $99.99 | -31% $68.99 List: $99.99 | -31% $68.99 List: $99.99 | -28% $72.10 List: $99.99 | -13% $59.99 New Price: $68.99 |
| Delivery | — | Get it as soon as Thursday, May 16 | — | Get it as soon as Thursday, May 16 | Get it as soon as Thursday, May 16 | Get it May 17 - 20 |
| Customer Ratings | ||||||
| Sound quality | ||||||
| Battery life | ||||||
| Portability | ||||||
| Value for money | ||||||
| Water resistance | ||||||
| Sold By | — | SaleTime Distributers | Amazon.com | Amazon.com | SaleTime Distributers | A4C Online |
| power source | Battery Powered | Battery Powered | Battery Powered | Battery Powered | Battery Powered | Battery Powered |
| connectivity tech | Bluetooth | USB, Bluetooth | USB, Bluetooth | USB, Bluetooth | Bluetooth | Bluetooth |
| speaker type | Outdoor | Component | Component | Speaker System | Outdoor | Outdoor |
| mounting type | Freestanding | Freestanding | Tabletop | Freestanding | Freestanding | Freestanding |
| weight | 425 grams | 0.9 pounds | 0.55 kilograms | — | — | — |
| control method | application | application | application | application | application | — |
From the manufacturer
-
Say Hello to WONDERBOOM 2
Meet the ultra-portable Bluetooth speaker with surprisingly bigger sound that’s crisp and bassy. Now with all-new OUTDOOR BOOST.
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Surprisingly Bigger Sound with OUTDOOR BOOST.
Ultimate Ears WONDERBOOM 2 rocks a surprisingly bigger, bassy-er 360 degree sound — anywhere. OUTDOOR BOOST instantly boosts loudness and clarity with audio specially tuned for outdoor listening.
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13 Hours of Boom
Powering 13 whopping hours* of killer sound, the battery lasts through day trips, beach detours, and biking adventures.
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Crazy Waterproof, Dustproof & It Floats
IP67 means WONDERBOOM 2 can be submerged in up to 1 meter of water for 30 minutes and is protected against entry of dust. Use it in the pool, at the beach or as your shower speaker without a worry.
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DOUBLE UP, Now in True Stereo
Pair two WONDERBOOM 2 speakers to simply party louder or enjoy a true wireless stereo experience. You can also connect with WONDERBOOM to double the sound.
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Super Portable & Rugged
Sporting a convenient loop, dirt resistant and drop-proof*— it’s ready for bikes, backpacks, and big adventures.
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Easy Play / Pause / Skip
Control your music right from the speaker, without having to reach for your phone. Easily play, pause and skip tracks directly on the speaker through a single button.
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Athleisure Inspired Design
The WONDERBOOM 2 sports a new 2-tone knit fabric that’s action-ready. Big sound, sharp look — it’s not just a speaker. It’s a statement.
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More Boom + BOOST
WONDERBOOM 2 rocks a surprisingly bigger sound — and then some with OUTDOOR BOOST.
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Way More Bass
We pumped up the bass, way up. WONDERBOOM 2 adds more intense sound to your adventures.
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+30% Battery Life
With an epic 13 hours of battery life (up from 10), WONDERBOOM 2 has the power to rage ‘till dawn.
-
Water + Dustproof
WONDERBOOM 2 is not only waterproof, now it’s dustproof, too. What’s more? It also floats!
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True Wireless Stereo
Pair two WONDERBOOM 2 speakers to simply party louder or enjoy a true wireless stereo experience.
What's New? WONDERBOOM vs WONDERBOOM 2
1 More Boom + BOOST 2 Way More Bass 3 +30% Battery Life 4 Water + Dustproof 5 True Wireless Stereo
Compare Speakers
 WONDERBOOM 2 |  BOOM 3 |  MEGABOOM 3 |  HYPERBOOM | |
|
Customer Reviews
|
10,802
|
9,977
|
7,339
|
2,805
|
|
Price
| — | $116.18 | $169.99 | $371.16 |
|
Ultimate Controls
| OUTDOOR BOOST | One Touch to Music | One Touch to Music | One Touch to Music |
|
Connectivity & Range
| Bluetooth 100 ft | Bluetooth 150 ft | Bluetooth 150 ft | Bluetooth 150 ft |
|
360° Sound
| Surprisingly Big | Bold + Deep Bass | Powerful + Huge Bass | Super massive + extreme bass |
|
Water/Drop Proof
| ✔ | ✔ | ✔ | ✔ |
|
Battery Life
| Up to 13 hrs | Up to 15 hrs | Up to 20 hrs | Up to 24 hrs |
|
Pair Speakers
| 2 WONDERBOOMs | 150+BOOM/ MEGABOOMs | 150+BOOM/ MEGABOOMs | Many BOOM/MEGABOOM, HYPERBOOM |
|
Updates via App
| ✘ | ✔ | ✔ | ✔ |
Videos
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Leilani and Sheldon Hodges
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Ultimate Ears Wonderboom - Watch Before You Buy! Reveiw
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Videos for this product
1:37
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Wonderboom 2 Review after 2 years
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Videos for this product
2:12
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2 of the very Best Speakers to Get! #thisorthat
the Harts
Videos for this product
3:39
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HONEST REVIEW After 3+ Yrs of HEAVY USE | Pros vs Cons
Nicole & Ryan
Sustainability features
This product has sustainability features recognized by trusted certifications.
Carbon impact
Carbon emissions from the lifecycle of this product were measured, reduced and offset.
As certified by
Carbon Neutral Certified by SCS Global Services Carbon Neutral Certified by SCS Global Services enables companies to demonstrate carbon neutrality for their products by reducing carbon emissions throughout their operations and offsetting their remaining carbon footprint through the purchase of carbon credits. SCS Global Services is a global leader in third-party environmental and sustainability verification, certification, auditing, testing, and standards development. SCS is a chartered Benefit Corporation, reflecting its commitment to socially and environmentally responsible business practices.
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Reviews with images
Excelente !!!
Mas que excelente, llena todas las expectativas para un sonido de tu casa y actividades de grupo y fiestas pequeñasYo con ellos doy charlas, muestro videos explicativos y de musica y amenizo actividades sencillas con un sonido muy agradable y sobre sale, porque todo el mundo que los oye se imagina un gran equipo y luego al verlos pequeños y sencillos, queda con la boca abierta !!100% recomendado
Top reviews from the United States
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Reviewed in the United States on June 2, 2021
Reviewed in the United States on February 14, 2024
Color: Deep SpaceVerified Purchase
Mas que excelente, llena todas las expectativas para un sonido de tu casa y actividades de grupo y fiestas pequeñas
Yo con ellos doy charlas, muestro videos explicativos y de musica y amenizo actividades sencillas con un sonido muy agradable y sobre sale, porque todo el mundo que los oye se imagina un gran equipo y luego al verlos pequeños y sencillos, queda con la boca abierta !!
100% recomendado
Yo con ellos doy charlas, muestro videos explicativos y de musica y amenizo actividades sencillas con un sonido muy agradable y sobre sale, porque todo el mundo que los oye se imagina un gran equipo y luego al verlos pequeños y sencillos, queda con la boca abierta !!
100% recomendado
Images in this review
Top reviews from other countries
Amazon Customer
The best speaker
Reviewed in Australia on December 16, 2023Color: Deep SpaceVerified Purchase
Matthew
Great sound and durability
Reviewed in Canada on December 22, 2023Color: Deep SpaceVerified Purchase
Amazon Customer
I haven't loved a weird but solid audio product like this since the iPod first launched
Reviewed in Canada on August 7, 2022Color: Deep SpaceVerified Purchase
Naveed Mazloum
Bigger than expected in every way
Reviewed in Canada on October 8, 2020Color: Deep SpaceVerified Purchase
Naveed Mazloum
Reviewed in Canada on October 8, 2020
Pros:
- Sound is insane for a speaker this size crazy loud and fairly clear even at high volume
- Battery life is excellent I've been using it for 2 weeks now as a shower speaker (about 30 mins a day) still hasn't needed a charge
- Pairing is super fast and easy
- Bluetooth range is much better than most speakers I've had, no cutting in and out or pausing at weird times
- Completely waterproof, which I have inadvertently tested a few times
Cons:
- There is no control to skip back to a song, mildly annoying
- Checking the battery life is a pain, you have to listen for a specific tone. There are 3 tones that indicate battery life. It's silly.
- Bigger than I thought it would be
Images in this review
