A vehicle mount disc player capable of being thinned by removing a wasteful space around a reproduction unit chassis (1) when a disc is loaded or unloaded. The vehicle mount disc player has the reproduction unit chassis (1) supported in a floating state by a main chassis via damper mechanisms (2). The reproduction unit chassis (1) is locked being shifted to a disc motor side along an axial direction of a disc motor (1a) and a turntable (1b) when the disc is loaded or unloaded.
