Ultimate Ears - WONDERBOOM 4
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Reddit Reviews:
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Last updated: Aug 12, 2025 Scoring
Liked most:
9
5
"how incredible the sound was coming from the UE Wonderboom.. it was game over.. I was sold!!! ... tiny speaker, big sound!! ... Crystal clear vocals and soild bass performance from a portable speaker, it's incredible!!! 😀 ... I work in a warehouse early mornings, and I've already convinced 2 of my coworkers to get one they were so impressed with the big sound from such a small speaker, you won't regret it"
"omg, this little F is punchy and loud ... you can feel the bass and did I say loud? ... This is like waking up neighborhood loud!"
"Impressive bass and sound profile for size"
7
0
"Incredible!!! At full blast I've had it easily last 4 hours, but it's super loud so I usually keep it in the upper middle range volume wise... and when I do that it will usually last 6-8 hours. If you keep it low, you could probably get 10. ... I'll go days without charging it, and I work for about 4 hours at a time, so every 3 days/12 hours I'll plug it in.."
"the battery lasts alllll day at half volume."
"That thing runs for 24 hours straight. ... You can literally take it camping and not worry."
6
0
"They re the best waterproof speaker I ve heard."
"it is extremely durable, ip68"
"is IP67-rated waterproof and floats ... It’s lighter and floats on water, which could be a big plus if you’re near a pool or beach."
6
1
"how incredible the sound was coming from the UE Wonderboom.. it was game over.. I was sold!!! ... tiny speaker, big sound!! ... Crystal clear vocals and soild bass performance from a portable speaker, it's incredible!!! 😀 ... I work in a warehouse early mornings, and I've already convinced 2 of my coworkers to get one they were so impressed with the big sound from such a small speaker, you won't regret it"
"I use it on a construction site clipped on to my tool belt so it’s pretty much perfect"
"big sound for its size (has same size drivers and sound as Boom)"
7
0
"I use it on a construction site clipped on to my tool belt so it’s pretty much perfect"
"is IP67-rated waterproof and floats ... It’s lighter and floats on water, which could be a big plus if you’re near a pool or beach."
"Outdoor Boost mode enhances clarity in open spaces, making it great for travel. ... It also has an Outdoor Boost mode to improve performance in noisy environments."
Disliked most:
0
4
"it has pitiful bass."
"Its bass seemed totally neutered."
"it reduces bass quite quickly above 50% volume"
1
3
"has cut out repeatedly ... WTF is up with this?"
"but its not great having to stereo pair them all the time by holding the button on each speaker. wish they would stay paired in TWS. ðŸ˜"
"I can only pair 2 of them at a time since wonderbooms aren’t compatible with the UE iOS app."
0
1
"except for the new WB4 they all charge with micro usb."
7
5
"it has pitiful bass."
"the soundcore is louder"
"it reduces bass quite quickly above 50% volume"
0
1
"having to physically turn on the speaker feels cumbersome."
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