BOOM 4
Wireless Bluetooth® Speaker
15-HOUR BATTERY
Rechargeable lithium-ion battery for up to 15 hours of battery life between micro-USB charges.
VIRTUALLY INDESTRUCTIBLE
With its IP67 rating, it holds up against dust, dirt, big splashes—and it even floats in water.
* Drop-tested from 1 m.
SIGNATURE + 4 PRE-SET EQ MODES
Enjoy the Ultimate Ears Signature sound and several other EQ modes. Didn’t find your favorite? Customize it yourself.
BOLD SOUND BOLDY PORTABLE
BOOM 4 packs a sonic punch for its size. Featuring Ultimate Ears unique audio processing, it produces clear and balanced audio faithful to the music you love, and at every volume level.
SPATIAL 360° SOUND
With the iconic cylindrical design, we pioneered to deliver immersive, stereophonic audio that radiates evenly in all directions.
BOOM 4 gives your music a deep, rich bass. Enjoy the punchy bass without exaggeration or distortion.
SIGNATURE + 4 PRE-SET EQ MODES
Enjoy the Ultimate Ears Signature sound and several EQ modes like Bass Boost, Cramped Space, Deep Relaxation, and Podcast/Vocal from UE | BOOM App. Didn’t find your favorite? Customize it yourself.
MADE WITH RECYCLED PLASTIC
Plastic parts in BOOM 4 include a minimum of 52% certified post-consumer recycled plastic* by weight. It’s also designed for recycling.
* Excluding packaging
CONNECT AND PARTYUP
Use PARTYUP* on the UE | BOOM App to pair 1, 2 , 3... and over 150 speakers and create the ultimate sound experience. You can combine multiple BOOM 4, MEGABOOM 4, EVERBOOM, EPICBOOM and HYPERBOOM speakers or even pair them with previous generation BOOM speakers. Build a wall of sound? No problem.
* Compatible with all BOOM, MEGABOOM, EVERBOOM, EPICBOOM and HYPERBOOM speakers