Ultimate Ears Wonderboom 4: Two-minute review
We’ve long been fans of the Wonderboom series: compact, durable speakers designed to go with you anywhere and pump out sound quality far better than you’d expect for the size – and Ultimate Ears is a name that regularly features in our best Bluetooth speakers roundup. The Logitech brand clearly knows it’s onto a winner with this model, because the latest iteration – the aptly named Wonderboom 4 – doesn’t change too much.
Like the Wonderboom 2 and 3 before it, this is a well-built, backpack-friendly Bluetooth speaker that can survive a fair few adventures. Not only does it feel sturdy in the hand, but its IP67 rating equates to top-tier water- and dust-proofing. In case you wanted further confirmation, throw it in the drink and it also floats.
Sonically, the Wonderboom 4 is identical to the Wonderboom 3. Bass output has no business being so punchy for such a small speaker, while both clarity and separation are impressive at reasonable volumes. Only when you push up the decibels is there a noticeable loss of detail.
You also get all the listening features of previous versions, including stereo pairing, 360-degree sound output and Outdoor Boost for beefier alfresco audio. New for the Wonderboom 4 is a Podcast mode, which adjusts EQ settings to better suit the spoken word. Oh, and Ultimate Ears has finally made the switch to USB-C on the Wonderboom as well – hurrah!
If you don’t need USB-C connectivity or the added vocal clarity of the Podcast Mode, the now-discounted Wonderboom 3 offers better value. But for the price and size, you’d be hard-pressed to find a Bluetooth speaker that can beat the Ultimate Ears Wonderboom 4.
Ultimate Ears Wonderboom 4 review: Price and release date
- Released June 26, 2024
- Officially priced at $99.99 / £89.99 / AU$149
The Ultimate Ears Wonderboom 4 was released in June 2024, priced at $99.99 / £89.99 / AU$149. That’s the same as the Wonderboom 3 cost at launch, putting it firmly in the affordable category. It’s worth noting that the Wonderboom 3 has since been discounted, making it an even cheaper option with identical audio hardware.
At that price, the Wonderboom 4 sits in a very a competitive category, with recent price reductions bringing both the JBL Flip 6 and Bose SoundLink Micro down to similar numbers. As you’ll read below, though, we think the Ultimate Ears Wonderboom 4 has a lot to offer if you’re looking for a compact Bluetooth speaker to depend on when you travel.
Ultimate Ears Wonderboom 4 review: Specs
| Weight: | 420g |
| Dimensions: | 104 x 95.3 x 95.3mm |
| Battery life (quoted): | 14 hours |
| Connectivity: | Bluetooth 5.2 |
| Drivers: | 2 x 40mm active drivers, 2 x 46.1×65.2mm passive radiators |
| Aux-in: | No |
| Charger port: | USB-C |
| Microphone: | No |
| Waterproof rating: | IP67 |
Ultimate Ears Wonderboom 4 review: Features
- 14-hour battery life
- USB-C charging port
- No aux-in or microphone
One of the headline changes for the Wonderboom 4 is the switch from a microUSB charging port to USB-C. With the world well on its way to a one-cable future, this change was long overdue on the Wonderboom 3. So while it might seem a minor update, it’s also a welcome one that means you’ve got one less wire to worry about.
Otherwise, the Wonderboom 4’s feature set remains very much the same as its predecessor. As before, there’s no 3.5mm aux input, so you’ll need to look elsewhere if you want the option to hard-wire your audio source. There’s no built-in mic, either, so the Wonderboom 4 can’t function as a speakerphone.
Nor does it benefit from the app support of more premium Ultimate Ears speakers, such as the Hyperboom. While the option to connect to the Boom app would objectively add value, we think it’s no bad thing that the Wonderboom 4 is an ‘offline’ speaker; it keeps things simple and accessible, while the Outdoor Boost and new Podcast sound modes (see below) offer all the EQ adjustment that most people would expect at this price point.
Wireless pairing is by Bluetooth 5.2. This isn’t the latest standard and, as we’d expect for an affordable speaker, there’s no support for hi-res codecs. But it can host multiple connections simultaneously, in case you’re sharing DJ duties.
Where the Wonderboom 4 continues to excel is battery life. Rated at 14 hours from a full charge, we routinely achieved better than this during testing. On a single stint, this is a speaker that simply goes and goes. And it’s also the kind of speaker that you could charge at a weekend and use heavily throughout the week, without worrying that you’re about to see the red light come on.
Ultimate Ears Wonderboom 4 review: Design
- Available in four color options
- IP67 waterproof and dust-proof
- Six-button interface
Owners of the Wonderboom 3 won’t find anything physically different about the Wonderboom 4. It remains a compact, tidily designed Bluetooth speaker that’s put together very well. Weighing just 420g and measuring 104 x 95.3 x 95.3mm, it’s a neat little cylinder that’s perfect for tossing in a bag.
Four color schemes are yours to choose between: Active Black, Cobalt Blue, Hyper Pink and Joyous Bright. Preference is personal, but each of these color combos are characterful in their own way, complementing the Wonderboom 4’s fun-sized stature with a natty look. Each features those trademark Ultimate Ears volume buttons in a bold contrasting hue, with a matching fabric loop that can be used to carabiner the Wonderboom 4 to the outside of your backpack.
It’s all very familiar and all the better for it. From the fabric wrap to the rubberized bumpers top and bottom, the Wonderboom 4 feels like it’s built to go the distance. Despite its lightweight construction, it’s reassuringly solid in the hand. That’s borne out by an IP67 rating against water and dust, plus it’s drop-proof from 1.5m and floats for good measure. All of which adds up to a speaker that’s genuinely adventure-proof and made for the great outdoors.
Besides those unmissable volume buttons, you’ll find three controls on top of the Wonderboom 4 and one beneath. There is a slight learning curve here: the top buttons are unmarked for minimalism, but that does mean it takes a little time to remember their functions. One is for power, one for pairing and the central one is a multi-function number for controlling playback and connecting to other Wonderbooms in stereo.
Underneath is a button marked by a tree symbol, which is used to switch between standard, Podcast and Outdoor Boost sound modes.
Ultimate Ears Wonderboom 4 review: Sound quality
- Punchy 360-degree sound output
- Double Up stereo pairing
- Outdoor Boost and Podcast EQ modes
To the ears, the Wonderboom 4 is identical to the Wonderboom 3. That’s because it uses the same pair of active drivers, together with two passive radiators, to pump out 360-degree sound. The result is a speaker that punches well above its weight when it comes to both low-end oomph and overall clarity.
Audiophiles will find things to pick at, but for its price and proportions, the Wonderboom 4 is right up there with the best in this bracket. Bass is bold, yet it doesn’t overwhelm the mids and trebles. There’s impressive separation here for a portable Bluetooth speaker, with a richness to the output that isn’t found in many speakers of a similar size. The soundstage is nicely balanced, too.
Crank the volume beyond reasonable levels and you will encounter distortion, with harsh treble creeping in. That said, we were impressed with how well the Wonderboom 4 handled complex tracks even at higher volumes. It’s perfectly capable of filling a small or medium room, and we found that positioning it in a corner or near a wall gives a fuller sound.
For more immersive listening, you have the option to Double Up with another Wonderboom 3 or 4. You can have both speakers play the same audio, or use them as left and right separates for proper two-channel audio. The result in our experience is no gimmick, revealing plenty of details that would be lost in single-speaker playback.
If you’re listening outdoors, the Outdoor Boost setting reduces the bass and amps up the treble. This produces audio that carries better outside, but it also comes with a clear loss in quality. It’s a useful setting for picnic playlists, but not one to use at home.
New for the Wonderboom 4 is a Podcast mode, which tweaks the EQ to suit spoken vocals. Listening in the kitchen, there was a difference in output versus the standard mode, with words carrying more clearly in a mix that focuses on upper midrange frequencies, giving a marginally more emotive quality to speech patterns. That said, you’d have to be a keen-eared podcast enthusiast to really pick up on this or value it as a dedicated feature.
Ultimate Ears Wonderboom 4 review: Value
We’ve always rated Wonderboom speakers as excellent value and the fourth version is no exception. For the price, you’re getting a fun, compact speaker that’s built tough and capable of impressive sound quality. Add to that its solid battery life and the option to pair it in stereo, and we think it stacks up as one of the most complete Bluetooth speakers you can buy for the money.
You’ll need to look elsewhere for certain features, such as the app connectivity offered by the similarly priced JBL Flip 6. But that’s not a dealbreaker for the price, and for most people the Wonderboom 4 will do all that they need and more.
It’s worth mentioning that recent discounts mean the Wonderboom 3 is now available for less, making it better value outright. If you don’t need USB-C connectivity or a Podcast mode, it gives you an identical listening experience for a lower price, at least while stocks last. Otherwise, we think the Ultimate Ears Wonderboom 4 represents fantastic value for a Bluetooth speaker in 2024.
Should I buy the Ultimate Ears Wonderboom 4?
| Attributes | Notes | Rating |
|---|---|---|
| Features | 14-hour battery life, USB-C charging and stereo pairing | 4/5 |
| Design | Tidy dimensions, fun colors and a rugged, waterproof build | 4.5/5 |
| Sound quality | Surprisingly punchy bass with good separation and clear details | 4/5 |
| Value | A well-equipped and capable speaker for a reasonable price | 4.5/5 |
Buy it if…
Don’t buy it if…
Ultimate Ears Wonderboom 4 review: Also consider
| UE Wonderboom 4 | JBL Flip 6 | Bose SoundLink Micro | |
|---|---|---|---|
| Dimensions: | 104 x 95.3 x 95.3mm | 178 x 68 x 72mm | 98 x 98 x 35mm |
| Weight: | 420g | 550g | 290g |
| Battery life (quoted): | 14 hours | 12 hours | 6 hours |
| Connectivity: | Bluetooth 5.2 | Bluetooth 5.1 | Bluetooth 4.2 |
| Drivers: | 2 x 40mm active drivers, 2 x 46.1×65.2mm passive radiators | 1 x tweeter, 1x racetrack-shaped woofer, 2x passive radiators | 1x 40mm driver, 2x passive radiators |
| Aux-in: | No | No | No |
| Charger port: | USB-C | USB-C | microUSB |
| Microphone: | No | No | Yes |
| Waterproof rating: | IP67 | IP67 | IP67 |
How I tested the Ultimate Ears Wonderboom 4
- Tested for a month, both indoors and in the back garden
- Played a variety of music types
- Listened via the Spotify app on iPhone
I used the Ultimate Ears Wonderboom 4 as my go-to Bluetooth speaker for the best part of a month. That meant listening to it both at home and while travelling around the UK, sticking it in my backpack for a number of trips to see how it held up on the road.
The Wonderboom 4 went on a real musical journey with me, as I streamed a wide variety of genres via Spotify on my iPhone. That eclectic selection covered everything from mellow background music to Seventies classics, plus more than a few kitchen anthems.
It handled playlist and podcast duties indoors, and was also put to the test around the firepit, soundtracking most of my September evenings on the patio, whatever the weather.
- First reviewed: September 2024
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christian.rowlands@me.com (Chris Rowlands)
