Ultimate Ears BOOM 4: Portable Waterproof Speaker with 360° Sound and 15h Battery

Premium Portability with Immersive Sound

Meet the Ultimate Ears BOOM 4, a highly portable wireless speaker built to accompany you on every journey. It delivers balanced 360-degree sound and deep bass in a compact, rugged package. The floating design and clear, vibrant audio are ready for poolside, campsite, or city adventures.

Designed for Real-Life Use

Engineered for everyday moments, it carries an IP67 waterproof rating and generous drop protection, and it can float. When the music matters most, you’ll appreciate the long playback with up to 15 hours on a single charge, plus USB-C for quick topping up between sessions.

• Balanced 360-degree sound with punchy bass for rich listening in any setting.
• Rugged build that withstands water, dust, and drops, with the extra benefit of floating on water.
• Extended battery life of up to 15 hours for all-day listening on the go.
• Freedom to roam with a wireless range of up to 45 meters (147 feet) while your tunes stay connected.

Smart Features for Easy, Personalized Listening

Smart controls bring convenience to your day. The Magic Button lets you play, pause, skip, and access playlists from supported streaming services with a tap, while PartyUp makes it simple to pair multiple Ultimate Ears speakers and amp up the sound.

• Magic Button offers one-touch control to your favorite playlists on supported apps.
• PartyUp lets you pair multiple UE speakers for a bigger, more immersive listening experience (note compatibility).
• Seamless pairing with MEGABOOM, EVERBOOM, EPICBOOM, and HYPERBOOM expands your listening area.

Eco-Conscious Craft

The BOOM 4 includes plastic components that incorporate at least 52% post-consumer recycled material by weight, highlighting a commitment to sustainability without sacrificing performance.

Whether you are by the pool, in the bathroom, or relaxing at home, the BOOM 4 adapts to your environment with bold, clear audio and versatile features. It’s a practical companion for those who value portability, durability, and a broad sound stage, all while keeping your options open for future speaker expansions.