The Boombox is a hand item in Club Penguin Rewritten. All players could obtain it for free at the Rooftop during the Music Jam 2017.
This oversized radio was popular with the youth of the early and mid-eighties because they played music so loud, you could hear them from a 100 yards away. They eventually came with dual cassette and CD players and used 8 "D" cell batteries to power the big speakers. Some had a special Bass Boost button that would make the boom boxes even louder and more annoying to most who could hear them. This fad is still popular with some young people because the new boom boxes come with MP3 players.
During the Peace Walker Incident, the AI researcher, Dr. Strangelove, utilized a boombox to play "Sing" by the Carpenters, although she turned it off when about to commence with her torture of the then-recently captured Big Boss to find out why he killed The Boss during Operation Snake Eater, both to complete the Peace Walker AI weapon for the Peace Sentinel group, and for her own personal reasons.