
Ultimate Ears
The Ultimate Ears WONDERBOOM 4 is an ultra‑portable Bluetooth speaker offering 360° sound, IP67 waterproof and floating durability, and up to 14 hours of battery life, aimed at outdoor use.
Pros
Current
$79.99
Average
$81.77
Lowest
$59.99
Highest
$99.99
Lower = better sales rank
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Cons
From Expert Reviews
Praised by Experts
Criticized by Experts
From User Reviews
Users Love
Users Complain About
Expert Opinion
Professional reviewers commend the WONDERBOOM 4 for its lightweight, durable design, clean sound with little compression, and useful Outdoor Boost and Podcast modes, but they criticize its limited bass, recessed treble, lack of true stereo without pairing, and modest maximum SPL for larger indoor spaces.
What Users Say
Everyday users love the rugged, floating build and the surprisingly loud 360° sound, praising the long battery life and easy pairing, while repeatedly noting weak bass, outdated micro‑USB charging, and the need to buy a second unit for true stereo as common pain points.
Common Complaints
Limited bass depth, recessed treble around 9 kHz, outdated micro‑USB charging, insufficient maximum volume for large rooms, and the extra cost of buying a second speaker for true stereo.
How It Compares
vs. JBL Flip 6
Advantages
Disadvantages
Choose JBL Flip 6 if you prioritize louder bass and volume; choose WONDERBOOM 4 for lighter weight, longer battery, and water‑floating durability.
vs. Anker Soundcore 3
Advantages
Disadvantages
Pick Anker Soundcore 3 for marathon listening sessions and budget; pick WONDERBOOM 4 for superior range, floating durability, and outdoor‑specific features.
vs. Bose SoundLink Flex
Advantages
Disadvantages
Opt for Bose SoundLink Flex if you want high‑end sound quality and ruggedness; opt for WONDERBOOM 4 for lighter weight, longer playtime, and dedicated outdoor modes.