Compared across 3 stores. Prices are checked against each store and labelled with when. Store links may earn us a commission. Price via Klarna.
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The Ultimate Ears Boom 3 is a cylindrical portable Bluetooth speaker built for outdoor use. It is IP67 water and dust rated, floats, and survives drops, with up to 15 hours of battery and a 90dBC maximum output from two 2-inch drivers and two passive radiators. It suits people who want a rugged, loud speaker for patios, pools and trips rather than critical indoor listening. Against the JBL Charge and Flip lines it trades a battery bank and USB-C for toughness and 360-degree sound; reviewers rate it highly for durability and volume, but many note the micro-USB charging port and modest bass next to newer rivals.
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Store links may earn us a commission. Some prices via Klarna.
Lowest price we've seen: $134.99 on Nov 13 at Best Buy. Tracked across 3 stores since Nov 13.
Owners rate the Boom 3 highly, praising its toughness, water resistance and loud, even sound. Common complaints are the dated micro-USB port and bass that falls short of larger rivals.
The Ultimate Ears Boom 3 is a portable Bluetooth speaker. It has a cylindrical body that is 184 mm (7.2") tall and 73 mm (2.8") in diameter, and it weighs 608 g (1.34 lb).
The speaker uses two 2" drivers and two 2" x 4" passive radiators. It reaches a maximum sound level of 90dBC and covers a frequency range of 90Hz to 20kHz.
It has an IP67 water and dust rating. The battery lasts up to 15 hours. You can pair up to 8 Bluetooth-enabled source devices, and the wireless range is up to 45 m (150 ft).
