SANYO JJ-P3 (MGP-800D) Cassette Player RARE JDM Walkman GRAPHIC EQUALIZER
This is a model from the lineage of JJ-P1 and then the JJ-P2. The only one here to have the graphic equalizer is the JJ-P3. Sanyo JJ-P3 JDM Cassette Player from the 1980's. I believe to be 1986 but I can't say for certain.