Acoustic apparatus with theft detector for automobile

摘要: An acoustic apparatus such as a radio receiver and tape player is mounted into an interior panel dashboard of automobile. The includes housing having size insertable aperture formed in the panel. inserted through from front side firmly attached to by manually actuating mount knobs provided housing. A theft detecting circuit arrangement including switch operable protective members are for covering knobs. include operating plates switch. Upon detachment member, electric actuated produce warning signal prevent without permission.