JBL Boombox 4
The JBL Boombox 4 is the largest model in JBL's portable Boombox line. It is rated IP68 for dust and water, plays for up to 28 hours with up to 6 more from Playtime Boost, has a user-replaceable battery (sold separately) and weighs about 13 lb, lighter than the Boombox 3.
Text from OyList

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