We have tested the UE Wonderboom 2 bluetooth speaker!

Ultimate Ears is an American earphone and speaker manufacturer in the United States. Mindy and Jerry Harvey founded the company in 1995. The Ultimate Ears was acquired by Logitech in August 2008.

UE Wonderboom 2 Review


Summer is a period of freedom and travel, and it comes in handy with a durable portable bluetooth speaker with good sound quality that won’t be ruined by a few drops of water or dust and can withstand minor shocks. It is important that it be relatively light and compact in size in order to fit in an average bag.

Wonderboom is a bit like the plain UE Megaboom 3 – slightly wider but much shorter. The second-generation model is only slightly larger than the original Wonderboom. It weighs almost twice that of the JBL Clip, but that doesn’t mean it would be heavy.

At the top of the device are power and Bluetooth pairing buttons, as well as a loop made of textile to hang or carry the speaker. The uppermost part of Wonderboom 2 also hides an extra button in the middle that allows you to control playback. Press this key once to play or pause the track and twice to fast forward. You can adjust the volume with the large + and – buttons on the side of the speaker.


The microUSB port for charging is located under the cover at the bottom of the speaker. Wonderboom does not include a port for wired connections.


Despite its small size the Wonderboom delivers a surprisingly full bodied sound with real deeps and trebles. It offers a bit more basses than the first generation model. To be honest, this is one of the best-sounding portable speakers we can get at this price, although the JBL Flip 4 or 5 is slightly better in sound quality – mainly because the Flip is larger, allowing you to create a wider sound field.


We tested Wonderboom 2 in a smaller room as well as outdoors. The room was recently acoustically treated, with double leather membrane sound-absorbing panels on the walls, and Cube acoustical sound panels placed on the floor to ensure proper sound. There were even Art diffusers on the walls, ensuring even distribution of sounds.

Listening to Topic / Bebe Rexha’s Chain My Heart, the bass sounded at optimum depth on Wonderboom 2 and the vocals were clear and easy to hear. Both the middle and high ranges were surprisingly lively and clear, none of which were disturbingly predominant.

The Wonderboom has impressive power outdoors, including by the pool. At the bottom of the speaker is the Outdoor Boost button, which increases the volume even more in noisy environments. All buttons are membrane type for water resistance. If you press the outdoor Boost button at the bottom of the speaker, it is capable to deliver a volume of almost 100 decibels, but still produces a volume of 94 decibels. But we have to note that distortion occurs at maximum volume and it would hold sway with quality sound around 85 decibels.


The Wonderboom 2 is IPX67 rated, which means it can be submerged in water for up to 30 minutes. We jumped in the pool with the speaker that kept playing music undisturbed, but the experience didn’t last more than 5 minutes. In addition, the little device is even dust-proof. Moreover, it can be dropped multiple times without getting seriously damaged, a need-to-have speaker whether we go hiking or decide to relax by the pool.

According to the UE, the Wonderboom 2 will run at full charge for 13 hours. However, it is quite difficult to get information about the condition of the battery. The volume keys must be pressed up and down at the same time, and the speaker plays a sound corresponding to one of three levels: high, medium, or low, indicating the battery charge status. A visual display would have been of better use akin to those other Bluetooth speakers out there on the market. No wonder, when used continuously in Outdoor Boost mode, the battery life was basically halved.

The Wonderboom 2 was quick pairing with the iPhone. It had adequate signal strength, maintaining communication between the phone and the speaker even through several walls. Unfortunately, smart settings are not offered by UE, so there is no way to fine tune the sound.

You can also pair two Wonderbooms by pushing the centre buttons on the top of the speakers for 3 seconds, unfortunately it works only for a pair of Wonderboom speakers to work in tandem; besides, Wonderboom 2 cannot be connected to other models made by the same manufacturer.

Wonderboom 2 boasts 360-degree sound thanks to its circumferential grid, which means you get the same sound quality even when you’re facing the speaker.


If you’re looking for a portable Bluetooth speaker that’s small enough to easily take with you almost anywhere and craving after some good sounds, the Wonderboom will be up to your needs as it meets most users expectations. It has good basses for a small speaker. The Wonderboom ranks high on the wall of fames of portable Bluetooth speakers in terms of price, size and sound quality. The UE Wonderboom 2 is a fantastic, rugged and waterproof speaker that small size absolutely doesn’t mean weak sound, the speaker is extremely loud and sounds great. While not up to the bass sound of larger speakers like the UE Boom 3 or Bose SoundLink Revolve, the enhanced bass lends warmth and intensity to the music that the previous model lacked. You could expect the speaker to come with a USB-C charge, but unfortunately Ultimate Ears missed that, as did the smart features.


Written by Róbert Polgár

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