ULTIMATE EARS WONDERBOOM 4 (Cobalt Blue)

Ultraportable Bluetooth speaker with that notoriously bigger sound that’s extra-crispy and fully loaded with big bass. Blast it indoors and out.

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 (1.5 m) drops Drop-tested from 1.5 m.. And with 40 meters (131 feet) of wireless range, you’ve got freedom to explore—even when the road gets tough.

In one tap, the WONDERBOOM 4 enables quick, effortless Bluetooth pairing with your Android devices.

Highlights

• Wireless Capabilities: 131 feet (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)]
• 360° Sound
• 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
• Power: Rechargeable lithium-ion battery for up to 14 hours of battery life between type-c USB charges.
• Height: 4.09 in (104 mm)
• Width: 3.75 in (95.3 mm)
• Weight: 14.81 oz (420 g) (speaker only)
• In the Box: ULTIMATE EARS WONDERBOOM 4, Bungee (attached to product), USB Cable, Quick Start Guide ( printed inside the box)
• Warranty Information: 2-Year Limited Hardware Warranty