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.

Key Features

Virtually Indestructible

BOOM 4 was born to hit the road. From rooftop-raging to mountaintop-shredding, BOOM 4’s got your back. Its IP67 rated, waterproof, floatable and drop-proof. Take it anywhere. It’s more powerful than you expect.

Up To 15-Hour Battery Life

BOOM 4 gives you 15 hours* of sonic power on a single charge.This portable speaker has long battery life that keeps the party going. *Actual battery life will vary with use, settings, and environmental conditions. Playing music at high volume or with bass boost can drain the battery faster.

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

Magic Button One-Tap Control

One tap to dive in. Play, pause, and skip tracks directly from your BOOM 4. Set up one-touch playlists on your favourite streaming platforms, such as Spotify, Amazon Music for Android, and Amazon Music and Apple Music for iOS.

Made With Recycled Plastic

Plastic parts in BOOM 4 include a minimum of 52% certified post-consumer recycled plastic* by weight. Its also designed for recycling. *Excluding packaging

What’s In The Box

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

Specifications

Dimensions

• Height: 184 mm
• Width: 73 mm
• Length: 73 mm
• Weight: 620 g (speaker only)

General Specifications

• Battery life: Up to 15 hours of battery life between type-C USB charges*. (*Actual battery life will vary with use, settings and environmental conditions.)
• Battery type: Rechargeable lithium-ion battery
• Maximum sound level: 85 dBC (normal)*. (*The actual SPL may vary depending on the environment.)
• Drivers: two 40 mm active drivers and two 46.1 x 65.2 mm passive radiators

Connectivity

• Wireless range: 45 meter range*. (*Actual Bluetooth range will vary depending on the use, setting, environmental conditions and number of connected devices.)

Compatibility

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

Sustainability

• Recycled Plastics: Minimum 52% Post-Consumer Recycled Content of the Total Plastic Components. Excludes packaging.