Bold sound meets rugged design. The Ultimate Ears BOOM 4 delivers powerful 360-degree audio with deep bass and crystal-clear detail, engineered for music lovers who take their sound everywhere.
Immersive 360° Sound
Enjoy rich, balanced audio from every angle. BOOM 4 produces bold, immersive sound with deep, accurate bass so every beat, lyric, and note comes through loud and clear.
Built for Adventure
- IPX7 waterproof and fully submersible
- Drop-proof up to 1.5 meters (5 feet)
- Floating design perfect for pool and beach use
All-Day Power
Keep the music going with up to 15 hours of battery life on a single charge—ideal for road trips, outdoor parties, and weekend adventures.
Extremely Wireless
Move freely with an impressive 147 ft (45 m) Bluetooth range, letting you stay connected while roaming around your space.
PartyUp Multi-Speaker Mode
Use the Ultimate Ears BOOM app to connect multiple BOOM, MEGABOOM, EVERBOOM, EPICBOOM, or HYPERBOOM speakers for an epic surround sound experience.
Magic Button Music Control
Play, pause, skip tracks, and control playlists directly from the speaker. One-touch access works with Spotify, Amazon Music (Android), and Apple Music (iOS).
Eco-Conscious Design
Made with at least 52% post-consumer recycled plastic, BOOM 4 delivers premium sound while helping reduce environmental impact.
Perfect for travel, outdoor adventures, pool parties, and holiday gifting.
