Grab the super-portable Ultimate Ears wireless Bluetooth speaker that’s built for adventure. Seriously waterproof with balanced 360-degree sound, deep bass, and one-touch music controls, the Ultimate Ears BOOM 4 is a great outdoor Bluetooth speakers waterproof wireless option. Experience four different EQ modes or customize yourself. You can even pair the BOOM 4 Bluetooth waterproof speaker with MEGABOOM, EVERBOOM, EPICBOOM, and HYPERBOOM portable Bluetooth speakers for more fun. The BOOM 4 is part of the range of wireless speakers with Bluetooth, providing 45 meters (147 feet) of freedom, so you can walk away and keep the tunes coming. Pairing with other Ultimate Ears speakers makies this Bluetooth speaker louder, creating a surround sound experiencve. Long-press the Magic Button to access your playlists, or set up one-touch playlists on your favorite streaming platforms like Spotify, Amazon Music on Android,* and Apple Music on iOS. As one of the loud speakers Bluetooth wireless families, it offers ultimate sound for those made to wander. Also suitable as a bathroom Bluetooth speaker or for home use, this blue tooth speaker provides versatility and consistently clear sound.
Ultimate Sound: The BOOM 4 portable waterproof Bluetooth speaker delivers rich, 360-degree sound and deep, accurate bass, all carefully balanced so you can hear every note
Powered for Adventure: This waterproof portable speaker has a rechargeable battery that stays powered, pumping tunes for 15 hours on a single charge; Charging via USB-C cable (not included).
A Bluetooth Waterproof Speaker Made for the Outdoors: Rated IP67 waterproof and drop-proof up to 15 feet (1.5 meters), the BOOM 4 floating Bluetooth speaker is virtually indestructible
PartyUp: Use PartyUp on the Ultimate Ears Boom app to pair several BOOM, MEGABOOM, EVERBOOM, EPICBOOM, and HYPERBOOM portable Bluetooth speakers, creating the ultimate surround sound experience
Magic Button: Play, pause, skip, and control music directly from your favorite streaming service; set up one-touch playlists on platforms like Spotify, Amazon Music on Android, or Apple Music on iOS
Extremely Wireless: With 45 meters (147 feet) of range, you can walk away from your BOOM 4 wireless speaker and keep the tunes comin’
Made With Recycled Plastic: The plastic parts in the Ultimate Ears BOOM 4 wireless Bluetooth speaker include a minimum of 52% post-consumer recycled plastic by weight
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Price last updated Mar 25, 2026 22:50:20 UTC. Availability and price subject to change. More info
