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Key Features
- Two 45mm transducers and 4.5 Inch woofer
- Bluetooth streaming with party speaker sound
- USB charging port and Bluetooth connectivity
- Magic button for control and up to 17 hour battery life
Key Specifications
- Brand:
- Ultimate Ears
- Model Number:
- 984-001868
- Connections:
- Bluetooth, USB charging port
- Battery Life:
- Up to 17 hours
- IP Rating:
- IP67
Audio
- Sound:
- Two 45mm active midhigh frequency transducers and one 4.5" (118mm) woofer
- Music Streaming:
- Stream your favourite music services via Bluetooth
Connections
- Range:
- Up to 55m (180ft)
Power & Charging
- Battery:
- Rechargeable lithium ion
- Run Time (Up To) Hours:
- 17
Safety
- Water Resistant:
- Water and Dustproof IP67 : can be immersed in water up to 1m for up to 30 min
General Information
- Type:
- Party Speaker
- Colour:
- White
- Family:
- Epicboom
- Additional Features:
- With magic button, Connect up to two source devices at the same time
- What's In The Box:
- Ultimate Ears Epicboom, included accessories and user manuals - ULTIMATE EARS EPICBOOM, USB-C Cable, Quick Start Guide
Warranty
- Manufacturer's Warranty:
- 2 Year
Audio
- Sound:
- Two 45mm active midhigh frequency transducers and one 4.5" (118mm) woofer
- Music Streaming:
- Stream your favourite music services via Bluetooth
Power & Charging
- Battery:
- Rechargeable lithium ion
- Run Time (Up To) Hours:
- 17
General Information
- Type:
- Party Speaker
- Colour:
- White
- Family:
- Epicboom
- Additional Features:
- With magic button, Connect up to two source devices at the same time
- What's In The Box:
- Ultimate Ears Epicboom, included accessories and user manuals - ULTIMATE EARS EPICBOOM, USB-C Cable, Quick Start Guide
Product Dimensions
- Product Height (mm):
- 281
- Product Width (mm):
- 154
- Product Depth (mm):
- 203
- Product Weight (kg):
- 2.41
Box Dimensions
- Box Height (mm):
- 281
- Box Width (mm):
- 154
- Box Depth (mm):
- 203
- Box Weight (kg):
- 3
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Product Reviews of Ultimate Ears Epicboom - White

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At a glance
The Ultimate Ears Epicboom - White is a premium portable Bluetooth speaker designed for people who want strong sound for outdoor gatherings, pool days, and moving around the home. Its standout strengths are rugged IP67 protection, floating design, long 17-hour battery life, and a wide 55 m Bluetooth range. The main limitation is that its 2.41 kg build is less compact than smaller grab-and-go speakers.
What it’s great for
- Outdoor Entertaining
- Poolside Music
- Backyard Gatherings
- Portable Home Audio
- Casual Parties
- Shared Playlists
Where it works best
- Backyard
- Poolside
- Beach
- Patio
- Living Room
- Open-Plan Home
Who it’s for
- Outdoor Entertainer
- Casual Host
- Family Household
- Party Listener
- Beachgoer
- Home User Wanting Portable Sound
Things to consider
At 2.41 kg, it is more portable than a large party speaker but less convenient to carry all day than smaller compact Bluetooth speakers.
Portability rating
7.5/10 - Portable with a built-in loop, but its 2.41 kg weight makes it better for short carries than ultra-compact travel use.
Outdoor suitability
Excellent for backyard, poolside, and beach use thanks to IP67 protection, floating capability, and a durable portable build.
Battery endurance rating
8/10 - Up to 17 hours of playback is strong for day trips, parties, and all-day casual listening.
Audio quality score
8.5/10 - Built for powerful, larger-space sound with dedicated mid-high transducers and a 4.5 inch woofer.
Multi-device compatibility
Very good - Bluetooth wireless playback with support for connecting up to two source devices at the same time.
Key benefits
- Up to 17-hour battery life: Delivers extended playback for a full day or evening without needing frequent recharging.
- IP67 water and dust resistance: Suits poolside, beach, and outdoor use, including submersion in up to 1 m of water for 30 minutes.
- Floating design: Makes it easier to recover and keep using around pools or calm water settings.
- 55 m Bluetooth range: Gives you more freedom to place the speaker away from your phone or tablet in larger indoor and outdoor spaces.
- Connects up to two source devices at once: Lets multiple people take turns playing music without repeatedly disconnecting and re-pairing.
- Customisable EQ and preset modes in the BOOM app: Helps tailor the sound to different environments and listening preferences.
- Built-in loop and 2.41 kg portable design: Makes it easier to carry between rooms, into the backyard, or on day trips.
- Large-driver speaker design: Supports bigger, room-filling sound that suits gatherings and larger spaces better than many compact portable speakers.
Q: Can two phones connect to Epicboom at the same time
A: Yes. Ultimate Ears Epicboom can connect with up to two source devices at once, so two people can keep their playlists ready. It is built for easier handover between devices, not for both sources to play music at the same time.
Q: Will the Bluetooth range hold up across a house and backyard
A: Ultimate Ears Epicboom has a 55 metre Bluetooth range in open conditions, so the speaker can sit well away from your phone. Walls, metal and other wireless traffic can reduce that distance indoors or between rooms.
Q: Is this a true stereo speaker or a single portable unit
A: Ultimate Ears Epicboom is a single portable speaker, so it does not create the left and right channel separation of a dedicated stereo pair. It is better suited to broad shared sound than precise hi-fi style speaker placement.
Q: Can the BOOM app change the sound for different spaces
A: Yes. The BOOM app lets you adjust EQ and use preset listening modes, so you can tune the speaker for different rooms or outdoor setups. That helps when hard surfaces, open air or placement change how the bass carries.
Q: Can I pair Epicboom with other Ultimate Ears speakers
A: Yes. Ultimate Ears Epicboom supports PartyUp with compatible Ultimate Ears speakers, which is useful when one speaker is not enough for a larger space. Pairing depends on the other speaker supporting PartyUp as well.












