ghetto blaster
US /ˈɡet.oʊ ˌblæs.tər/
UK /ˈɡet.oʊ ˌblæs.tər/

1.
a large portable radio and cassette or CD player, typically played loudly in public places
:
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He carried his ghetto blaster on his shoulder, blaring music down the street.
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The 80s were a time when ghetto blasters were a common sight.