Ultimate Ears Boom 4 Portable Bluetooth Speaker (Active Black)

The Ultimate Ears Boom 4 Portable Bluetooth Speaker offers immersive 360° sound with deep bass, an IP67 waterproof and dustproof design, long-lasting battery life and easy Bluetooth connectivity, making it perfect for music on the go.

• 360° immersive sound. Cylindrical design delivers rich, room-filling audio.
• Rugged and durable. IP67-rated, waterproof, floatable and drop-proof.
• PartyUp connectivity. Link 1-150+ speakers via the UE | BOOM App.
• Magic button control. One-tap play, pause, skip and access playlists.
• Deep, precise bass. Punchy low-end without distortion.
• Customisable EQ modes. Signature sound with 4 preset modes.
• Long battery life. Up to 15 hours on a single charge.
• Portable design. Lightweight and easy to carry anywhere.

Rugged and adventure-ready

The Boom 4 is built for any adventure, from rooftop parties to mountain hikes. With an IP67 rating, it’s waterproof, floats on water and is drop-proof – delivering powerful sound wherever you take it.

Seamless PartyUp connectivity

With PartyUp on the UE | Boom App, you can link 1, 2 or even over 150 speakers to create an epic sound experience. Combine Boom 4, MEGABOOM 4, EVERBOOM, EPICBOOM, HYPERBOOM and even older BOOM models for a massive, immersive wall of sound.

Magic button for one-tap control

Control your music effortlessly with a single tap on the Boom 4. Play, pause, skip tracks or launch one-touch playlists from your favourite streaming services like Spotify, Amazon Music on Android and Amazon Music or Apple Music on iOS.

Immersive 360° sound

Boom 4’s iconic cylindrical design delivers rich, stereophonic audio that spreads evenly in every direction, filling any space with immersive, room-filling sound.

Powerful, precise bass

The Boom 4 enhances your music with deep, rich bass that’s both punchy and balanced. It delivers strong low-end performance without distortion or overemphasis, ensuring every track sounds clear, dynamic and true to the original.

Customisable sound with signature EQ modes

Experience the Ultimate Ears Signature sound along with four preset EQ modes – Bass Boost, Cramped Space, Deep Relaxation and Podcast/Vocal – easily accessible through the UE | BOOM App for a tailored listening experience.

Long-lasting 15-hour battery

The Boom 4 delivers up to 15 hours of continuous playback on a single charge, providing long-lasting power to keep your music and parties going all day or night.