TIL of the "King of All Boomboxes", the JVC RC-M90, which was produced in 1981. LL Cool J and The Beastie Boys made this boombox famous by including it on their album
JVC RC-M90 Boombox | EVERYDAY DESIGN
JVC RC-M90 Boombox, Ghetto Blaster, For Sale, History | Boomboxes.com
JVC RC-M70 Cassette Boombox for sale online | eBay
JVC RC-M90 JW | Radio cassette, Jvc, Boombox
The Boom Box Used on the LL Cool J “Radio” Album Cover | FeelNumb.com
The boom box is back: cassette tape revival is fuelled by Hong Kong collector and record label | South China Morning Post