WONDERBOOM 4 is an 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.

Features include:

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

Pair It Up Easy with Google FastPair
In one tap, the WONDERBOOM 4 enables quick, effortless Bluetooth pairing with your Android devices.

Physical

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

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

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

Compatibility:

• For audio playback: smartphones, tablets and other devices that support Bluetooth [Advanced Audio Distribution Profile (A2DP)]