Ultimate Ears Wonderboom 4 Speaker-Black
Bring big, energetic audio anywhere life leads with the Ultimate Ears Wonderboom 4 Portable Bluetooth Speaker. Re-engineered with modern USB-C charging, a dedicated Podcast Mode for crystal-clear vocals, Outdoor Boost audio tuning, and an ultra-durable IP67 waterproof, dustproof, and floating design, the Wonderboom 4 delivers rich 360° stereo sound in a palm-sized package. Order yours today from Gadget99!
Ultimate Ears Wonderboom 4 Speaker — Surprisingly Bigger 360° Sound, Outdoor Boost & IP67 Floating Design
Key Features & Innovations
Surprisingly Bigger 360° Sound: Dual 40mm active drivers and passive radiators push immersive 360-degree stereo sound with deep, punchy bass that fills indoor rooms and outdoor spaces alike.
Outdoor Boost & Podcast Mode: One-touch EQ controls instantly optimize performance—activate Outdoor Boost for extra clarity in outdoor spaces, or switch to Podcast Mode for enhanced dialogue and vocal clarity.
IP67 Waterproof, Dustproof & Floats: Built to survive mud, dirt, sand, heavy rain, and pool submersion up to 1 meter for 30 minutes. It even floats in water so you never lose your music in the pool or lake.
Up to 14 Hours Battery Playtime & USB-C: Provides up to 14 hours of continuous music on a single charge, now conveniently upgraded to standard USB-C charging.
Double Up Stereo Pairing: Pair two Wonderboom 4 (or Wonderboom 3) speakers together wirelessly for twice the volume or true left-and-right channel stereo playback.
5-Foot Drop Tested & Extended 40m Range: Drop-tested from up to 5 feet (1.5 meters) with a long-range Bluetooth connection up to 131 feet (40 meters).
Technical Specifications
| Feature | Details |
| Model | Ultimate Ears Wonderboom 4 |
| Acoustic Driver Setup | Two 40 mm Active Drivers & Two 46.1 mm x 65.2 mm Passive Radiators |
| Maximum Sound Level | 86 dBC (Standard Mode) / 87 dBC (Outdoor Boost) |
| Wireless Connectivity | Bluetooth® (Up to 40 meters / 131 feet range) |
| Water / Dust / Drop Protection | IP67 Rated (Waterproof, Dustproof, Floats in Water) & 5 ft (1.5 m) Drop Tested |
| Battery Life | Up to 14 Hours Playtime |
| Charging Port | USB Type-C |
| Dimensions & Weight | 4.09″ H x 3.75″ D (104 x 95.3 mm) |
| Portability | Built-In Fabric Hanging Loop |
What’s in the Box?
Ultimate Ears Wonderboom 4 Speaker
USB-C Charging Cable
Quick Start Guide & Safety Sheet
Why Buy From Gadget99?
At Gadget99, we guarantee 100% authentic tech products backed by official manufacturer warranty support, transparent pricing, and fast door-to-door delivery. Elevate your portable music setup—order the Ultimate Ears Wonderboom 4 Speaker today!
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