Abstract: Support for car radios, casette players, tuners and similar equipment suited to being firmly mounted on the dash-boards of vehicles, boats and similar and to completely hide the equipment fitted, including a box-like body complete with means for anchoring to the dash-board seat and two sliding side guides, a front cover hinged to the front edge of the said box-like body; a support for the equipment to be installed which slides in the side guides a spring and a trip engaging device both arranged between the rear sides of the box-like body and of the sliding support respectively.