Ultimate Ears WonderBoom 4 Portable Bluetooth Speaker (Active Black, 984-001900)

Ultimate Ears WonderBoom 4 Portable Bluetooth Speaker (Active Black, 984-001900) Description

Features

Surprisingly bigger 360-degree sound in a compact, portable design

Outdoor Boost mode for increased loudness outdoors

Dedicated Podcast Mode for richer, clearer spoken word audio

Up to 14 hours of battery life for all-day listening

Waterproof, dustproof, and floatable (IP67-rated: submersible up to 1m for 30 minutes)

Double Up feature: pair two WONDERBOOM 4 speakers for true stereo sound

Durable, drop-proof, and dirt-resistant build with handy carrying loop

Extra-long Bluetooth wireless range of up to 40 metres (131 feet)

Made with a minimum of 31% post-consumer recycled plastic

Surprisingly Bigger 360-Degree Sound

The WONDERBOOM 4 delivers bold, immersive 360-degree sound in a compact design. Enjoy bigger audio coverage in any direction, whether indoors or outside.

Outdoor Boost & Podcast Mode

Engage Outdoor Boost at the press of a button to amplify loudness and clarity in open environments. Use the new Podcast Mode for enhanced vocal clarity, making spoken-word content sound richer and more intelligible.

Long-Lasting Playtime

With up to 14 hours of battery life, the WONDERBOOM 4 keeps the music going all day from a single charge, so you can focus on enjoying the moment.

Ready for Any Environment

Thanks to its IP67 rating, this portable Bluetooth speaker is waterproof, dustproof, and even floatable—ideal for poolside, beach trips, camping, or showers.

Stereo Pairing with Double Up

Pair two WONDERBOOM 4 speakers for even bigger sound—simply press once for “double up,” or press again for true stereo with separate left and right channels.

Durable, Wireless Freedom

Roam freely with up to 40m (131ft) of reliable Bluetooth range. The rugged build is dirt-resistant and drop-proof, featuring a practical loop for clipping onto bags or hooks during adventures.

Eco-Conscious Construction

The WONDERBOOM 4 incorporates at least 31% post-consumer recycled plastic by weight, making it a more environmentally friendly portable audio choice.