WONDERBOOM 4 bangs longer with 14 hours of playtime. So you can soak up every moment and keep the party going. Ultraportable Bluetooth speaker with that notoriously bigger sound that’s extra-crispy and fully loaded with big bass. Blast it indoors and out. Now with Podcast Mode, specially tuned for crisp, clear vocals. 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.
WONDERBOOM 4 bangs longer with 14 hours of playtime. So you can soak up every moment and keep the party going. Ultraportable Bluetooth speaker with that notoriously bigger sound that’s extra-crispy and fully loaded with big bass. Blast it indoors and out. Now with Podcast Mode, specially tuned for crisp, clear vocals. 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.
in 7 offers
last seen 11 May 2026
The lowest price we last saw for Ultimate Ears WonderBoom 4 Bluetooth Speakers Cobalt Blue (Global version) was $100.00 at TechCart, compared across 5 retailers (last seen 11 May 2026). Prices may have changed since.
The all-time low we recorded was $100.00 on 9 Feb 2026.
Prices last updated 11 May 2026.
Ultimate Ears WonderBoom 4 Bluetooth Speakers Cobalt Blue (Global version)
WONDERBOOM 4 bangs longer with 14 hours of playtime. So you can soak up every moment and keep the party going. Ultraportable Bluetooth speaker with that notoriously bigger sound that’s extra-crispy and fully loaded with big bass. Blast it indoors and out. Now with Podcast Mode, specially tuned for crisp, clear vocals. 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.
WONDERBOOM 4 bangs longer with 14 hours of playtime. So you can soak up every moment and keep the party going. Ultraportable Bluetooth speaker with that notoriously bigger sound that’s extra-crispy and fully loaded with big bass. Blast it indoors and out. Now with Podcast Mode, specially tuned for crisp, clear vocals. 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.
Last updated at 11/05/2026 13:13:25
Ultimate Ears WonderBoom 4 Portable Bluetooth Speaker (Cobalt Blue, 984-001901)
Delivery $50
Ultimate Ears WonderBoom 4 Bluetooth Speakers Cobalt Blue (Global version)
Free delivery
Ultimate Ears WonderBoom 4 Bluetooth Speakers Cobalt Blue (Global version)
Free delivery
Ultimate Ears WonderBoom 4 Bluetooth Speakers Cobalt Blue (Global version)
Delivery between 14–19 May $15
Mastercard $100 OFF | Logitech Ultimate Ears Wonderboom 4 Bluetooth Speaker - COBALT BLUE 984-001901
Delivery $24.69
Ultimate Ears WonderBoom 4 Portable Bluetooth Speaker (Cobalt Blue, 984-001901)
Delivery $50
Ultimate Ears WonderBoom 4 Bluetooth Speakers Cobalt Blue (Global version)
Free delivery
Ultimate Ears WonderBoom 4 Bluetooth Speakers Cobalt Blue (Global version)
Free delivery
Ultimate Ears WonderBoom 4 Bluetooth Speakers Cobalt Blue (Global version)
Delivery between 14–19 May $15
Mastercard $100 OFF | Logitech Ultimate Ears Wonderboom 4 Bluetooth Speaker - COBALT BLUE 984-001901
Delivery $24.69
