Yorx BP-1000
The BP1000 is a very unusual boombox from Yorx. It has THREE cassette decks!! The third one is detachable and could be carried with you like a Walkman.
This boombox also has detachable speakers. It was made in Korea, and runs on either 120 volts or six D-cell batteries.
Images courtesy of community member Lasonic TRC-920