Get that big, bassy stereo sound—all from one little speaker. Tap the Outdoor Boost for audio that’s specially tuned for the great outdoors.
Check out the new EQ mode specially designed for crisp, clear vocals, so podcasts sound great.
WONDERBOOM 4 bangs longer with 14 hours of playtime. So you can soak up every moment and keep the party going.
The awe-inspiring IP67 rating gives WONDERBOOM 4 the durability to withstand dust, dirt, and water. It’ll even float in water. Take it to the pool, beach, trail, or shower.
All you gotta do is pair up two. Press once to double up. Press again for a full two-channel stereo assault—that’s left and right channels blasting from each respective speaker.
(Doesn’t connect with WONDERBOOM 1,2, BOOM, MEGABOOM, or HYPERBOOM)
It’s built to take 5-foot drops*. And with 40 meters of wireless range, you’ve got freedom to explore—even when the road gets tough.
*Drop-tested from 5 ft / 1.5 m.
In one tap, the WONDERBOOM 4 enables quick, effortless Bluetooth pairing with your Android* devices.
*Android phones running Marshmallow and above/6.0+
Plastic parts in WONDERBOOM 4 include a minimum of 31% certified post-consumer recycled plastic* by weight. “Post-consumer” means it’s made with plastic sourced from end-of-life electronics. So it’s literally the life of the party.
*Excluding packaging
SPECIFICATIONS
104 mm (H) , 95.3 mm (DIA)
Weight 420 g (speaker only)
Rechargeable lithium-ion battery for up to 14 hours* of battery life between type-c USB charges.
Maximum sound level: 86 dBC (normal) and 87dBC (outdoor)
Drivers: two 40 mm active drivers and two 46.1 mm x 65.2 mm passive radiators
40 meter range**
Connect up to two source devices at the same time.
Wirelessly play (stream) to 2 WONDERBOOM 4 speakers from one source
For audio playback: smartphones, tablets and other devices that support Bluetooth [Advanced Audio Distribution Profile (A2DP)].
2-Year Limited Hardware Warranty.
Minimum 31% Post-Consumer Recycled Content of the Total Plastic Components. Excludes packaging.
Includes:
ULTIMATE EARS WONDERBOOM 4
Bungee (attached to product)
USB Cable
Quick Start Guide ( printed inside the box)
* Actual battery life will vary with use, settings and environmental conditions.
**Actual Bluetooth range will vary depending on the use, setting, environmental conditions and number of connected devices.
IN THE BOX
USB-C CABLE
Recharge Wonderboom 4 speaker via the USB-C cable
QUICK START GUIDE
COMPARE
WONDERBOOM 4
|
WONDERBOOM 3
|
|
|---|---|---|
| Sound | Surprisingly big 360°sound. | Surprisingly big 360°sound. |
| Sound intensity | +++ | +++ |
| Battery Life | 14 hours | 14 hours |
| Water and dust proof | IP67 | IP67 |
| Double Up | Double the sound +True Wireless Stereo | Double the sound + True Wireless Stereo |
| Equalizer (EQ) | Outdoor Boost Podcast Mode |
Outdoor Mode |
SUPPORT
Getting Started
Mobile App
Knowledge Base
Warranty
Contact Us
Mon-Fri: 6am - 6pm PST
BOOM 4
Super-portable wireless Bluetooth speaker: balanced 360° sound, deep bass, one-touch music control, water, dust & drop proof, and stunning high-performance fabric. It’s the ultimate go-anywhere speaker.
MEGABOOM 4
Portable Bluetooth wireless speaker with powerful sound, thundering bass and one-touch music control.