Ultimate Ears Boom 4 Portable Wireless Bluetooth Speaker
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Ultimate Ears Boom 4 Portable Wireless Bluetooth Speaker100+ SoldSelling Fast!
Ultimate Ears Boom 4 Portable Wireless Bluetooth Speaker
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12 Months warranty
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OriginNew Zealand
About this item
Model Name
Ultimate Ears Boom 4 Portable Wireless Bluetooth Speaker
Power
Rechargeable lithium-ion battery for up to 15 hours of play time
Maximum sound level
85 dBC (normal)
Drivers
Two 1.57 in (40 mm) active drivers and Two 1.81 x 2.57 in (46.1 x 65.2 mm) passive radiators
Wireless Capabilities
147 feet (45 meter) range
Compatibility
Smartphones, tablets and other devices that support Bluetooth [Advanced Audio Distribution Profile (A2DP)]
Dimensions
Height 7.24 in (184 mm) x Width 2.9 in (73 mm) x Length 2.9 in (73 mm)
Refurbished Tech That is Certified & Affordable
At Reebelo, you will always find high-quality, certified refurbished electronics tested by our expert refurbishing partners. These pre-owned products are professionally cleaned and inspected. Refurbished with Reebelo guarantees buyer satisfaction, battery health, and reduced negative impact on the environment.
What to look for in pre-owned electronics?
Originality & Quality. All pre-owned electronics at Reebelo are guaranteed original. They're 100% functional and undergo rigorous 70+ quality checks before shipping.
What are the carbon footprint savings of used electronics?
You save 70% of the carbon footprint of a new device by buying refurbished and reducing demand for new production.
OVERVIEW:
BOLD SOUND BOLDY PORTABLE - BOOM 4 packs a sonic punch for its size. Featuring Ultimate Ears unique audio processing, it produces clear and balanced audio faithful to the music you love, and at every volume level.
KEY FEATURES:
VIRTUALLY INDESTRUCTIBLE: BOOM 4 was born to hit the road. From rooftop-raging to mountaintop-shredding, BOOM 4's got your back. It’s IP67 rated, waterproof, floatable and drop-proof. Take it anywhere. It's more powerful than you expect.
15-HOUR BATTERY LIFE: BOOM 4 gives you 15 hours* of sonic power on a single charge.This portable speaker has long battery life that keeps the party going. (*Actual battery life will vary with use, settings, and environmental conditions.)
CONNECT AND PARTYUP: Use PartyUp* on the UE | BOOM App to pair 1, 2 , 3... and over 150 speakers and create the ultimate sound experience. You can combine multiple BOOM 4, MEGABOOM 4, EVERBOOM, EPICBOOM and HYPERBOOM speakers or even pair them with previous generation BOOM speakers. Build a wall of sound? No problem. (*Compatible with all BOOM, MEGABOOM, EVERBOOM, EPICBOOM and HYPERBOOM speakers)
MAGIC BUTTON ONE-TAP CONTROL: One tap to dive in. Play, pause, and skip tracks directly from your BOOM 4. Set up one-touch playlists on your favorite streaming platforms, such as Spotify®, Amazon Music for Android, and Amazon Music and Apple Music for iOS.
MADE WITH RECYCLED PLASTIC: Plastic parts in BOOM 4 include a minimum of 52% certified post-consumer recycled plastic* by weight. It’s also designed for recycling. (*Excluding packaging)
SPATIAL 360° SOUND: With the iconic cylindrical design, we pioneered to deliver immersive, stereophonic audio that radiates evenly in all directions.
DEEP ACCURATE BASS: BOOM 4 gives your music a deep, rich bass. Enjoy the punchy bass without exaggeration or distortion.
SIGNATURE + 4 PRE-SET EQ MODES: Enjoy the Ultimate Ears Signature sound and several EQ modes like Bass Boost, Cramped Space, Deep Relaxation, and Podcast/Vocal from UE | BOOM App. Didn’t find your favorite? Customize it yourself.
Frequently Asked Questions
Get the same great performance and features as new, for a fraction of the price. A certified pre-owned Ultimate Ears Boom 4 Portable Wireless Bluetooth Speaker is a smarter, more sustainable way to upgrade without breaking the bank.
At Reebelo, every product is professionally cleaned, quality-tested, and backed by our warranty and 30-day free returns, so you can shop risk-free and ensure your purchase is the perfect fit. It's better for your budget, better for the planet, and always risk-free.
Every purchase from Reebelo includes a Vendor Warranty of up to 12 months covering functional defects, giving you peace of mind and protection against unexpected issues.
For tech products, our warranty covers all functional defects under normal use, as long as there's no physical or water damage by the customer.
All products with batteries come with at least 80% capacity for reliable daily use. Many products offer upgrade options to 90% or 100%. You're covered for 12 months against battery failure and overheating.
Want extra protection? Add our ReebeloCare Extended Warranty, an enhanced coverage plan that includes accidental damage from drops, spills, and other mishaps not covered by the 12-Month Vendor Warranty, available on select products.
Absolutely! Every Ultimate Ears Boom 4 Portable Wireless Bluetooth Speaker from Reebelo undergoes up to 70 rigorous quality checks, including professional inspection, cleaning, and repair to ensure it meets the highest standards of functionality. We work with trusted, certified vendors to guarantee top performance and long-lasting reliability, so you can enjoy your product with complete confidence.
At Reebelo, you can save up to 70% off retail prices on a Ultimate Ears Boom 4 Portable Wireless Bluetooth Speaker, all while enjoying the same top-tier quality and performance. We're proud to offer certified pre-owned products from the brands you love — affordable, reliable, and thoroughly tested.
Want to boost your savings even more? Trade in your old product with Reebelo and make your next upgrade even more affordable.
Purchasing a certified pre-owned Ultimate Ears Boom 4 Portable Wireless Bluetooth Speaker is one of the most effective ways to reduce waste and minimize your carbon footprint. By giving high-quality products a second life, you're helping prevent valuable materials from ending up in landfills, where they can take centuries to decompose and release harmful toxins into the environment.
Reebelo is committed to supporting a more sustainable, circular economy, where products are reused, refurbished, and kept in circulation for longer. This not only conserves resources but also reduces the need to manufacture new items, cutting down on energy consumption, raw material extraction, and greenhouse gas emissions.
Make a smarter, greener choice — every certified pre-owned product you buy helps create a more sustainable future for all.