Finding working 4-track tape cartridge players from the late 1960s can be a challenging but fun pursuit. Mostly available for automobiles, the 4-track tape players seen for sale these days in the marketplace are often purchased quickly, so it’s best to keep an eye on the listings for new additions.
Some 4-track players could also play 8-track tapes; although much harder to find, they are occasionally seen for sale, so watch this page to see when new listings are added.