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Key Features
- Ultimate Sound
- Powered for Adventure
- A Bluetooth Waterproof Speaker Made for the Outdoors
- Party Up
- Magic Button
Logitech Ultimate Ears Boom 4 Portable Bluetooth Speaker - Black, 984-001971

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.
Key features:
Ultimate Sound
The BOOM 4 portable waterproof Bluetooth speaker delivers rich, 360- degree sound and deep, accurate bass, all carefully balanced so you can hear every note.
360° CRYSTAL CLEAR SOUND + 15 HOURS OF BOOM
Grab the super-portable wireless speaker that’s built for adventure. Seriously waterproof with balanced 360° sound, deep bass, and one-touch music controls. it’s the ultimate go-anywhere speaker.
4 PRESET EQ MODES + CUSTOMISABLE EQ
Experience 4 different EQ modes (BASS BOOST, CRAMPED SPACES, DEEP RELAXATION, PODCAST/VOCAL) by UE | BOOM App.
PARTY UP WITH THE WHOLE FAMILY
Pair the BOOM 4 with MEGABOOM, EVERBOOM, EPICBOOM and HYPERBOOM for more massive sound.
HIT THE MAGIC BUTTON FOR YOUR PLAYLIST
Long press to access your playlist. Set up one-touch playlists on streaming platforms like Spotify, Amazon Music and Apple Music for iOS.
Specifications
Description
- Search Snippet: The Ultimate Ears Boom 4 Speaker 984-001971 provides 360-degree sound with 15-hour battery and IP67 waterproof rating.
Global
- EAN: 0097855197801
- Model Number: 984-001971
General
- Colour: Black
Features
- Android/Ios Compatible: Yes
- Built-In Speakerphone: Yes
- Dust Resistant: Yes
- Rechargeable Battery: Yes
- Waterproof: Yes
Battery
- Battery Type: lithium-ion battery
- Estimated Battery Life (h): 15
- Playback Time (Hrs): 15
Connectivity
- Bluetooth: Yes
- NFC: Yes
Dimensions
- Depth: 73mm
- Height: 184mm
- Width: 73mm
Weight
- Weight (Kg): 0.62
In The Box & Warranty
- Included: ULTIMATE EARS BOOM 4, USB-C Cable, Quick Start Guide (Printed in paper
- Warranty (Years): 2
Why Buy?
Bold sound that travels everywhere you do
The Ultimate Ears Boom 4 delivers rich, balanced 360-degree sound with deep bass in a compact design that handles whatever adventure you throw at it. With 15 hours of battery life and waterproof durability, this portable speaker keeps your music going strong from morning hikes to late-night gatherings.
Enjoy crystal-clear audio that fills any space evenly, whether you are hosting a backyard barbecue or relaxing by the pool. The IP67 rating means it shrugs off dust, dirt and full water submersion, while four preset EQ modes let you tune the sound for different activities - from bass-heavy party tracks to clear podcast dialogue. One-touch music controls and playlist access make it simple to manage your audio without reaching for your phone.
This rugged yet stylish speaker fits easily in your bag or backpack, and its durable fabric construction looks good in any setting. The compact cylindrical design takes up minimal space while delivering room-filling sound, and you can pair it with other Ultimate Ears speakers when you need even bigger audio for larger gatherings.
Buy this if...
- You want powerful, balanced sound that travels with you outdoors
- Your lifestyle includes water activities, camping or beach trips
- You need all-day battery life for extended listening sessions
- You value easy music control without constantly handling your phone
- You plan to expand your sound system with multiple speakers later



