This is the 7150th most frequent Russian word.
бумбокс
Boombox: A portable audio player with speakers.
Here 'бумбокс' is used as a noun to indicate a portable music player.
Вчера я нашёл старый бумбокс на чердаке.
Yesterday, I found an old boombox in the attic.
In this sentence, 'бумбокс' is utilized as a subject to highlight its qualities.
Этот бумбокс очень мощный, могу его взять на пикник.
This boombox is very powerful; I can take it to a picnic.
This shows 'бумбокс' being related to its typical use during gatherings for playing music.