The phrase identifies a selected kind of audio leisure system designed for set up and use inside vehicles. Characteristically, such models are supposed for aftermarket buy and integration into automobiles, offering functionalities akin to AM/FM radio reception and doubtlessly auxiliary enter for exterior audio sources.
These units provide a way of enhancing the in-vehicle listening expertise, offering entry to broadcast radio content material. Traditionally, such methods represented a major improve from factory-installed choices, providing improved sound high quality, options, or aesthetic customization. They tackle a necessity for customized audio options inside the automotive surroundings.