VINTAGE MUNTZ 4 TRACK CAR / UNDER DASH MOUNT / TAPE PLAYER / MODEL C-100 / UNTEST. This is untested . The guy i got this from said it worked but I m unable to test it so it will be sold ‘as is’ . No rust and very very clean . Rare 4 track . I know there are people using these as part of muscle car restoration . Model C-100 . Thanks for looking .