Ultimate Ears BOOM 4 Portable Waterproof Bluetooth Speaker With 360-Degree, Bold, Immersive, Crystal-Clear Sound, Floating Speaker With 15-Hour Battery and 147ft (45m) Range, Lilac

Ultimate EarsSKU: 9740767

Price:
Sale price$176.71

Description

Ultimate Ears BOOM 4: Floating, Waterproof Bluetooth Speaker

Meet the Ultimate Ears BOOM 4, a compact powerhouse that brings bold, immersive sound to your everyday adventures. In a striking Lilac finish, this portable Bluetooth speaker blends a resilient, floating design with UE’s renowned audio processing to deliver crystal-clear, balanced audio at any volume. Whether you’re by the pool, on a hike, or kicking back in the living room, BOOM 4 fills the space with 360-degree sound that stays faithful to your music—from delicate treble details to punchy bass lines. Built to travel, it’s waterproof, durable, and buoyant, so you can take the music with you across water, sand, and city streets without missing a beat. With up to 15 hours of battery life and an impressive 147-foot (45-meter) wireless range, you can enjoy hours of uninterrupted playback and freedom to move. Add to that its seamless pairing with other UE speakers for bigger, immersive soundscapes and you’ve got a speaker that’s ready for spontaneous parties, intimate gatherings, or late-night listening sessions. The Lilac color brings a playful, modern touch to any setup—whether it sits on a shelf, clips to a backpack, or floats at the edge of a pool while you sing along to your favorite tracks.

  • 360-degree immersive sound powered by Ultimate Ears’ signature audio processing, delivering clear, balanced audio with faithful reproduction of your music at every volume. Enjoy wide, room-filling sound that envelops you from every angle, whether you’re hosting a party or enjoying a quiet playlist on the go.
  • Floating, waterproof design built to ride the waves of your day. The BOOM 4 is engineered to withstand outdoor elements and water exposure, and its buoyant construction means it can float—ideal for poolside hangs, boating trips, or beach adventures where you want music and fun to stay afloat together.
  • Long-lasting battery life with up to 15 hours of continuous playback on a single charge. That means more listening, less worrying about recharging, and more time to focus on the music you love—whether you’re singing along during a road trip or hosting a backyard barbecue into the night.
  • Extended Bluetooth range up to 147 ft (45 m) for flexible, carefree listening. Move between rooms, roam around outdoors, or keep the party going in a different corner of the venue while your music stays connected and strong.
  • Vibrant Lilac finish and user-friendly controls with a rugged, compact form factor designed for portability. The bold color stands out in any setting, and the tactile controls on top make play/pause, volume, and track changes quick and easy—so you stay in the moment without digging for your phone.

Techncial Details of Ultimate Ears BOOM 4

  • Wireless connectivity: Bluetooth 5.0 for stable, energy-efficient streaming
  • Wireless range: Up to 147 ft (45 m) for flexible playback and multi-room listening
  • Battery life: Up to 15 hours of continuous playtime on a full charge
  • Waterproof and floating design to handle outdoor use and water-based adventures
  • Charging method: USB-C for reliable, fast charging and easy cable compatibility

How to install Ultimate Ears BOOM 4

  • Charge the speaker using the included USB-C charging cable until the indicator shows a full charge.
  • Power on the device by pressing and holding the power button until you hear a sound or see indicator lights ignite.
  • Enable Bluetooth on your phone, tablet, or computer and select “Ultimate Ears BOOM 4” from the list of available devices to pair.
  • For larger listening experiences, use PartyUp to connect BOOM 4 with other UE speakers and synchronize playback across multiple devices for wider, richer sound.
  • Control playback with the top-mounted buttons for play/pause, track skipping, volume adjustment, and voice assistant access (depending on your device), then enjoy your music hands-free while the speaker remains ready for spontaneous adventures.

Frequently asked questions

  • Is the BOOM 4 waterproof and does it float? Yes. The BOOM 4 is designed to be waterproof and buoyant, making it suitable for poolside use, beach days, and outdoor adventures where water exposure is likely.
  • How long does the battery last? The speaker delivers up to 15 hours of playback on a single charge, depending on volume, content, and ambient conditions. Real-world use may vary, but you can expect long listening sessions between charges.
  • Can I connect multiple speakers? Absolutely. With PartyUp you can link BOOM 4 with other UE speakers to create a larger, more immersive audio experience for parties, gatherings, or multi-room listening.
  • What charging method does it use? The BOOM 4 charges via USB-C, which supports fast charging and is compatible with many common USB-C adapters and power banks.
  • Is there any built-in voice assistant? The BOOM 4 focuses on delivering powerful, portable sound and Bluetooth streaming. Voice assistant support depends on the connected device and software ecosystem; the speaker itself does not include a dedicated built-in voice assistant.

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