Ultimate Ears BOOM 4: Bold, Immersive 360° Sound in a Portable Waterproof Floating Speaker

Experience bold, immersive audio wherever life takes you with the Ultimate Ears BOOM 4. This compact, floating Bluetooth speaker is designed to deliver 360-degree sound that fills your space with clarity and balance at every volume level. The red BOOM 4 builds on UE’s legendary audio processing to ensure your favorite tracks stay faithful to the music you love, from delicate acoustic passages to commanding bass lines. Built to hit the road just as hard as it plays at home, BOOM 4 combines rugged durability, long battery life, and wireless freedom into a speaker that’s ready for pool days, beach adventures, camping trips, and everyday listening alike. Its floating design adds a touch of playfulness and practicality for water-side moments, while its vivid red finish makes a bold statement in any setting.

• Bold, 360‑degree sound: BOOM 4 delivers a wide, balanced sound field that fills rooms and outdoor spaces with clear highs, punchy mids, and deep bass. The proprietary audio processing preserves the essence of your music, ensuring accurate timbre and dynamic detail at any listening level.
• Waterproof and floating design: Perfect for poolside jams or shower playlists, this speaker is built to handle splashes and submersion while floating on water, so you never have to worry about dropping it in the pool or rain-soaked adventures.
• Long-lasting battery, extended play: Enjoy up to 15 hours of continuous playback on a single charge, keeping your party going from day into night. A USB-C charging interface makes topping up simple and convenient.
• Long-range wireless freedom: Bluetooth connectivity supports up to 147 feet (45 meters) of range, so you can move about, mingle, and control the music from a comfortable distance without losing the connection.
• Rugged, portable and stylish: The compact, durable form factor fits easily into bags or backpacks, while the bold red color and rugged fabric finish give this speaker a distinctive look that matches its fearless performance.

Technical Details of Ultimate Ears BOOM 4 Portable Waterproof Bluetooth Speaker

• - Specifications not provided in this listing. Please refer to the official spec sheet for precise technical data, including drivers, impedance, and exact capabilities.

How to install Ultimate Ears BOOM 4

Getting started with the BOOM 4 is quick and straightforward, so you can spend more time enjoying your music and less time setting up. Here are simple steps to install and begin using your speaker:

• Unbox and locate the power and Bluetooth pairing controls. The BOOM 4 uses a USB‑C port for charging and a dedicated Bluetooth button for quick wireless setup.
• Charge the speaker before first use. Connect a USB‑C cable to the USB‑C port and plug the other end into a power source. Allow the battery to reach a healthy level for best initial performance.
• Power on the device by pressing and holding the power button until the LED ring indicates startup. This confirms the unit is ready to pair.
• Activate Bluetooth on your phone, tablet, or computer, and select “Ultimate Ears BOOM 4” from the list of available devices. Once connected, you’ll hear an audible cue confirming a successful pairing.
• Play music and adjust volume using the plus and minus controls. To expand your listening experience, you can pair with additional Ultimate Ears speakers (where supported) for bigger, room-filling sound.
• For water-prone environments, place the BOOM 4 on a stable surface away from direct immersion hazards and use it as your primary music source during outdoor activities—it’s designed to tolerate splashes and wet conditions while delivering consistent performance.

Frequently asked questions

• Is the Ultimate Ears BOOM 4 waterproof and floatable? Yes. The BOOM 4 is designed for outdoor use and features a floating, splash‑resistant body that makes it ideal for poolside listening and other water‑related adventures.
• How long does the battery last? The BOOM 4 delivers up to 15 hours of continuous playback on a single charge, depending on volume level and content. USB‑C charging provides a convenient way to recharge between outings.
• What devices can connect to the BOOM 4? The speaker uses Bluetooth to connect with a wide range of devices, including smartphones, tablets, laptops, and other Bluetooth-enabled gear. It’s easy to pair and play in seconds.
• Can I pair multiple speakers for bigger sound? You can pair the BOOM 4 with other Ultimate Ears speakers to create a wider soundstage and more immersive listening experience, depending on compatibility and app features.
• What’s included in the box? In most configurations, you’ll find the BOOM 4 speaker, a USB‑C charging cable, and a quick start guide to help you get connected fast. (Contents may vary by retailer.)
• Does the BOOM 4 support voice assistants? This model focuses on delivering music via Bluetooth and does not embed built-in voice assistant controls. You can use your phone’s voice assistant through a Bluetooth connection if needed.