5.0
BOOM 4 - Active Black
BOOM 4 - Active Black
BOOM 4 - Active Black
BOOM 4 - Active Black
BOOM 4 - Active Black
BOOM 4 - Active Black

BOOM 4 - Active Black

$149.99 $149.99 /
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Get sound that’s big, bold, and balanced, all in one compact, portable Bluetooth® speaker. Equipped with one-touch music control, a drop-proof, waterproof, dust-proof IP67 rating, and stunning high performance fabric, it’s the ultimate go-anywhere speaker that’s more bold and bassy than ever.

15-HOUR BATTERY

Rechargeable lithium-ion battery for up to 15 hours of battery life between USB-C charges.

VIRTUALLY INDESTRUCTIBLE

With its IP67 rating, it holds up against dust, dirt, big splashes—and it even floats in water.

*Drop-tested from 1.5 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

SPECS & DETAILS

Rechargeable lithium-ion battery for up to 15 hours of play time

Playing at default volume(30%). Actual battery life will vary with use, settings and environmental conditions.

Maximum sound level: 85 dBC (normal)
The actual SPL may vary depending on the environment.

Drivers: two 1.57 in (40 mm) active drivers and two 1.81 x 2.57 in (46.1 x 65.2 mm) passive radiators

147 feet (45 meter) range

Actual Bluetooth range will vary depending on the use, setting, environmental conditions and number of connected devices

For audio playback: smartphones, tablets and other devices that support Bluetooth [Advanced Audio Distribution Profile (A2DP)]

Height: 7.3 in (184 mm)
Width: 2.9 in (73 mm)
Weight: 21.87 oz (620 g) (speaker only)

2-Year Limited Hardware Warranty

ULTIMATE EARS BOOM 4
Bungee (attached to product)
USB Cable
Quick Start Guide (printed inside the box)