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Boom 4 Bluetooth Speaker - Active Black
Electronic Express
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Boom 4 Bluetooth Speaker - Active Black in Chattanooga, TN
From Ultimate Ears
Current price: $129.99
Original price: $149.99

Electronic Express
Boom 4 Bluetooth Speaker - Active Black in Chattanooga, TN
From Ultimate Ears
Current price: $129.99
Original price: $149.99
Loading Inventory...
15 Hour Battery
Rechargeable lithium-ion battery for up to 15 hours of battery life between micro-USB charges.
Virtually Indestructable
With its IP67 rating, it holds up against dust, dirt, big splashes—and it even floats in water.
Signature and 4 Preset EQ Modes
Enjoy the Ultimate Ears Signature sound and several other EQ modes. Didn’t find your favorite? Customize it yourself.
Bold Sound Boldly 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.
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.
- IP67 Splashproof Rating
- Signature and 4 Preset Audio Modes
- Spatial 360 Degree Sound
- 52% Recycled Plastic
15 Hour Battery
Rechargeable lithium-ion battery for up to 15 hours of battery life between micro-USB charges.
Virtually Indestructable
With its IP67 rating, it holds up against dust, dirt, big splashes—and it even floats in water.
Signature and 4 Preset EQ Modes
Enjoy the Ultimate Ears Signature sound and several other EQ modes. Didn’t find your favorite? Customize it yourself.
Bold Sound Boldly 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.
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.
- IP67 Splashproof Rating
- Signature and 4 Preset Audio Modes
- Spatial 360 Degree Sound
- 52% Recycled Plastic

















