Boombox is an Epic Fortnite Back Bling from the Spandex Squad set. Boombox was first added to the game in Fortnite Chapter 1 Season 5.
Attachments are items that come with a cosmetic when it is obtained.
Spandex Squad Set
Boombox is part of the Spandex Squad set! You can find all of the items that belong to it below.