Ultimate Ears Boom 4

Experience bold, balanced sound with the Boom 4, a compact, portable Bluetooth® speaker that delivers big audio in any setting. Featuring one-touch music control, it’s built tough with a drop-proof, waterproof, and dust-proof IP67 rating, wrapped in high-performance fabric. Whether you’re indoors or outdoors, the Boom 4 ensures deep, rich bass and crystal-clear sound, thanks to Ultimate Ears’ unique audio processing technology.

Its 360° spatial design immerses you in stereophonic audio, radiating sound evenly in all directions. With pre-set EQ modes like Bass Boost, Cramped Space, and Podcast/Vocal, you can tailor your listening experience via the UE | BOOM App—or customise it to suit your preferences.

Built for adventure, the Boom 4 is designed to handle anything life throws at it, from rooftop parties to rugged mountain trails. It’s floatable, drop-proof, and provides up to 15 hours* of uninterrupted playtime, making it the perfect companion for any adventure. Using PartyUp on the EU | BOOM App, you can pair over 150 Boom, Megaboom, Everboom, Epicboom, or Hyperboom speakers to create the ultimate sound experience. You can even pair up with previous generation Boom speakers.

Control your music with ease using the Magic Button for one-tap play, pause, and track skipping, and enjoy the convenience of one-touch playlists from platforms like Spotify®, Amazon Music (Android), and Apple Music (iOS). Plus, Boom 4 is designed with sustainability in mind, incorporating at least 52% certified post-consumer recycled plastic (excludes packaging).

*Battery life may vary based on use and environmental conditions
 

• Compact, portable Bluetooth® speaker with bold, balanced sound
•  One-touch music control and customisable EQ settings
• 360° immersive audio with deep, accurate bass
• IP67 rated: waterproof, dust-proof, drop-proof, and floatable
• Up to 15 hours of battery life* for extended playtime
• Pair over 150 speakers with PartyUp for a multi-speaker experience
• Magic Button for one-tap control and playlist setup via the UE | BOOM App
• Made with 52% post-consumer recycled plastic
   

Specifictions:

• Dimension - 73 mm(L), 73 mm (W), 184mm (H)
• Weight - 620 g (speaker only)
• Power - Rechargeable lithium-ion battery for up to 15 hours of play time*
• 360° Sound - Maximum sound level: 85 dBC (normal)*** / Drivers: two 40 mm active drivers and two 46.1 mm x 65.2 mm passive radiators
• Wireless Capabilities - 45 metre range**
• Sustainability - Minimum 52% Post-Consumer Recycled Content of the Total Plastic Components. Excludes packaging

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

What's in the box:

• Ultimate Ears Boom 4
• Bungee (attached to product)
• USB Cable
• Quick Start Guide