Bring bold, immersive sound wherever you go with the Ultimate Ears BOOM 4 Portable Bluetooth Speaker. Designed for adventure, it combines powerful 360° sound with a rugged IP67-rated design that is waterproof, dustproof, and floatable. With up to 15 hours of playtime, one-touch music control, and the ability to connect multiple compatible speakers, BOOM 4 is ready to keep the music going at home, outdoors, or on the move.

Product Highlights

• 360° sound delivers rich, balanced audio in every direction

• Dual 40mm active drivers and dual passive radiators provide powerful sound with deep, accurate bass

• Up to 15 hours of playtime on a single charge

• IP67-rated waterproof and dustproof design for reliable outdoor use

• Floatable design makes it suitable for poolside and water-based activities

• Drop-proof design helps withstand accidental drops of up to 1.5 metres

• 45-metre wireless range provides freedom to move while staying connected

• Magic Button provides convenient one-touch control for playing, pausing, and skipping tracks

• PartyUp through the UE | BOOM App allows multiple compatible Ultimate Ears speakers to be connected for a bigger sound experience

• Customisable EQ through the app lets you adjust the sound to suit your preferences

• Made with a minimum of 52% certified post-consumer recycled plastic by weight in its plastic components

• USB-C charging with a charging time of less than 3 hours using a suitable charger

• Compact and portable design measuring 73 × 73 × 184mm and weighing approximately 620g