boombox
/ˈbuːmˌbɑks/Definitions
1. noun
A portable music player, typically equipped with a cassette tape deck, a CD player, or other audio playback devices.
“She pulled out her old boombox and started playing her favorite music.”
2. verb
To play music from a portable music player, especially loudly and often in a public place.
“The kids were boomboxing in the park and disturbing the neighbors.”