Name: ULTIMATE EARS COBALT BLUE WONDERBOOM 4
SKU: 24991
Availability: InStock

ULTIMATE EARS COBALT BLUE WONDERBOOM 4

Portable speaker with outdoor boost

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ULTIMATE EARS COBALT BLUE WONDERBOOM 4

Product Details

Dimensions

Height: 4.09 in (104 mm)
Width: 3.75 in (95.3 mm)
Weight: 14.81 oz (420 g) (speaker only)

Technical Specifications

General Specifications

Battery life: Up to 14 hours* of battery life between type-C USB (not included**) charges. (*Actual battery life will vary with use, settings and environmental conditions.)
Battery type: Rechargeable lithium-ion battery
Maximum sound level: 86 dBC (normal) and 87dBC (outdoor)
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
Charge Type: Charges via USB-C cable (not included)

Connectivity

Wireless range: 131 feet (40 meter) range*. (*Actual Bluetooth range will vary depending on the use, setting, environmental conditions and number of connected devices.)
Pairing: Connect up to two source devices at the same time, Wirelessly play (stream) to 2 WONDERBOOM 4 speakers from one source

SURPRISINGLY BIGGER 360 SOUND

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.

NEW PODCAST MODE

Check out the new EQ mode specially designed for crisp, clear vocals, so podcasts sound great.

HOURS OF WONDER

WONDERBOOM 4 bangs longer with 14 hours of playtime. So you can soak up every moment and keep the party going

BEATS DUST, SPLASHES, AND FLOATS

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.

DOUBLE UP FOR SERIOUS STEREO

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)

A REAL ROAD WARRIOR

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.)

PAIR IT UP EASY WITH GOOGLE FAST PAIR

In one tap, the WONDERBOOM 4 enables quick, effortless Bluetooth pairing with your Android* devices. (*Android phones running Marshmallow and above/6.0+)

PARTY FOR THE PLANET MADE WITH RECYCLED PLASTIC

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)

Brand	Ultimate Ears

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ULTIMATE EARS COBALT BLUE WONDERBOOM 4