soundcore Boom 3i Speaker Brown

Hear it, feel it. Enjoy a greater listening experience with soundcore.

soundcore Boom 3i Portable Speaker.  Desert Rose Brown iteration
Built for the wild with 50W output, BassUp 2.0,16h playtime, IP68 waterproof, floatable


* Industry-First Floating Playback
Boom 3i stays upright and sound-forward, even in waves. No distortion, no sinking - just loud, clear audio for kayaking, pool parties and every water adventure.  

* IP68 Waterproof and Dustproof
Built to survive the elements, this Bluetooth speaker is fully waterproof and dust-tight. The ultimate outdoor speaker, it withstands up to 1.5m of submersion for 30 minutes.

* 5x Saltwater-Resistant and Ultra-Durable
Built for extremes: 5x saltwater-resistant against sea, sweat and spray. Drop-tested from 1m. Perfect for beach days and boat rides, with no rust or corrosion. Tougher than most rugged outdoor speakers.

* Double the Bass with BassUp 2.0
Pushes 50W of powerful sound with bass as deep as 56Hz. BassUp 2.0 and DSP tech deliver punchy lows and crisp highs. Serious audio performance in a compact portable speaker.

* Smart Features and 16H Playtime
Get 16 hours of nonstop play and full control via app. Comes with Voice Amplifier, Emergency Alarm, Buzz Clean and a detachable strap for hands-free fun - everything you need in reliable outdoor speakers.

* Compact Water‑Bottle Size for Portability
About the size of a water bottle, Boom 3i slips into your backpack, clips to your gear, and fits comfortably in one hand for grab‑and‑go adventures.

* Built for the Elements
Boom 3i comes with a rugged casing and protective coating that defends against seawater, sweat and salt spray. While typical speakers may rust in under 5 months, Boom 3i stays corrosion-free for up to 2 years of beach, boat and seaside use.

* Built to Survive Falls
Sturdy and robust, it handles accidental drops from up to 1m onto concrete with ease.

* A Roar that Fills the Outdoors
Up to 50W output and 96dB maximum volume unleash booming sound that fills every corner.

* Crystal Clarity and 2x Bass
A 3.7” 40W woofer and 10W tweeter pump out thundering bass and ultra-clear treble. BassUp 2.0 amplifies every beat, delivering 56Hz deep bass for a truly powerful listening experience.

* Immersive Stereo Sound
Pair two devices to split the channels and enjoy richer, fuller sound all around you.

* Stay Loud, Stay Safe
In trouble? Get loud. Press and hold the BassUp button for 5 seconds to activate a 96dB alarm. Clearly audible at up to 100 meters.

* Be Heard Anywhere
Record a voice message and broadcast it to your friends when you're out in the wild.

* Buzz Clean, Clearer Sound
Activate Buzz Clean through the app to shake off dust and debris, ensuring crystal-clear sound for every performance.

* Versatile Detachable Strap
Clip it, sling it, or grab it and go. The secure, multi-use strap keeps it light and easy-wherever you take it.

* Beat-Synced Light Show
Personalize your experience with 6 rhythm-synced presets, 4 ambient light options and customizable colours, all controlled via app.

* Total Control at Your Fingertips
Personalize your experience with EQ settings, BassUp 2.0, Buzz Clean, Emergency Alarm, Voice Amplifier, and lighting - all through the Soundcore app. Firmware updates are also available in-app so you can enjoy the latest enhancements.


Colour: Brown
Power (audio output): 50W
Sound: Ultra Deep Bass Sound
BassUp: Yes
Strap: Yes
Special features: Emergency alarm, voice amplifier, buzz clean
Speaker driver: 3.7” 40W woofer x1, 10W tweeter x1
Playtime: up to 16 hours (varies by volume level and music content)
Charging time: less than 4 hours  
Battery capacity: 2400mAh / 10.95V
Power input: 5V ⎓ 3A
Charging port: USB-C
Bluetooth version: 5.3
Bluetooth range: 30m
Waterproof level: IP68 waterproof
Floatability: Floating playback, stays upright
Saltwater resistance: Yes
Light show: Yes
soundcore App: Yes
AUX in: No
Multi-speaker: TWS + PartyCast
Dimensions: 21 x 8.5 x 7.85cm
Weight: 780g
soundcore item number:‎ D5100080

What’s in the box: soundcore Boom 3i Portable Speaker (Desert Rose Brown), Detachable Strap, USB-C to USB-C Cable 0.6m, Quick Start Guide


Download user manual, quick start guide and user guide/FAQs from Attachments