A gasket assembly is provided including a first gasket layer and a second gasket layer having an outboard region and an inboard edge circumscribing an aperture. It also relates to a method of synchronizing two parts of a digital service in a system including a source device according to the invention and at least one reproduction device according to the invention. A plurality of U-shaped connectors are provided in spaced apart manner along the front vertical bars and the rear vertical bars of each divider panel.