Take the Ultimate Ears BOOM 4—your perfect adventure-ready wireless Bluetooth speaker. Built to withstand anything, it delivers balanced 360-degree sound, deep bass, and easy one-touch controls. With four EQ presets or customizable settings, tailor your audio just how you like it. Connect multiple BOOM 4 speakers or pair with MEGABOOM, EVERBOOM, EPICBOOM, and HYPERBOOM for an even bigger sound. Enjoy up to 45 meters (147 feet) of wireless range, so your music stays with you wherever you go. Sync with other Ultimate Ears speakers for immersive surround sound. Use the Magic Button to instantly launch playlists from Spotify, Amazon Music (Android), or Apple Music (iOS). Whether you’re outdoors, at home, or even in the shower, this waterproof Bluetooth speaker delivers powerful, crystal-clear audio wherever you roam.
Party Up: Use PartyUp on the Ultimate Ears Boom app to pair multiple BOOM, MEGABOOM, EVERBOOM, EPICBOOM, and HYPERBOOM portable Bluetooth speakers for a surround sound experience.
Ultimate Sound: The BOOM 4 portable waterproof wireless speaker provides rich, 360-degree sound with deep, accurate bass for clear audio outdoors.
Magic Button: Control music directly from streaming services—play, pause, skip, or set up one-touch playlists on Spotify, Amazon Music (Android), or Apple Music (iOS).
A Bluetooth Waterproof Speaker Made for the Outdoors: IPX7-rated waterproof and drop-proof up to 15 feet (1.5 meters), the BOOM 4 is durable and floats.
Powered for Adventure: The rechargeable battery lasts up to 15 hours on a single charge.