Ultimate Ears’ Wonderboom 4 portable Bluetooth speaker with a 14-hour battery is back at a $60 low (Reg. $100)

$40 off/$60

Amazon is offering the returning low price on the Ultimate Ears Wonderboom 4 Portable Bluetooth Speaker at $59.99 shipped in its black and blue colorways. This model usually fetches $100 at full price, with discounts having mostly kept the costs between $70 and $80 over 2025, though we did see it fall to $66 during Prime Day. Today’s deal is beating out all the rest we’ve seen so far this year, with $40 cut from the tag for the first time since Christmas sales at the best price we have tracked.

The Ultimate Ears Wonderboom 4 is a noticeably more compact Bluetooth speaker option over models like JBL’s longer and cylindrical models, with it providing up to a 40-meter wireless range, so you don’t have to keep nearby at all times. It’s been given an IP67 construction that provides water and dust resistance – plus, it can handle being submerged in up to 1 meter of water for up to 30 minutes, so it’s well suited for pools, beaches, and the like. There is a 14-hour battery life, with a USB-C port available for charging, and it even offers a podcast mode to optimize the audio for spoken content, so it’s not just tunes you can enjoy during your lounging sessions.

You can browse more portable Bluetooth speaker deals within our dedicated hub, as well as get some hands-on impressions for models like Bose’s new SoundLink Plus speaker.

Ultimate Ears Wonderboom 4 Portable Bluetooth Speaker features:

• 14 Hours of Boom: This waterproof portable speaker bluetooth booms on with up to 14 hours of playtime, ensuring you soak up every moment with your bluetooth speakers
• Double Up for Stereo: Pair two WONDERBOOM 4 portable Bluetooth speakers for bigger sound; press once to double up; press again for true stereo, with left and right channels
• Surprisingly Bigger 360-Degree Sound: The WONDERBOOM 4 portable waterproof Bluetooth speaker features bigger 360-degree sound in a small Bluetooth speaker package; boosted sound for up to 14 hours of playtime.
• Outdoor Boost and Podcast Mode: The outdoor bluetooth waterproof speaker is engineered for full stereo sound; tap the Outdoor Boost button for outdoor environments with; Podcast Mode makes vocals rich and clear
• Waterproof, Dustproof, and Floatable: IP67-rated bluetooth shower speaker can be submerged in 1m of water for 30 min; protected from dust; suitable for pool, beach, or shower