A speaker case for a mobile device with a speaker. A protective shell into which the mobile device can be inserted. The protective shell has a rear wall and at least one side wall with an opening for the speaker, a plate-shaped component, which is fastened to the protective shell so as to pivot about a first pivot axis. At least one second plate-shaped component which is pivotally mounted about a second pivot axis on the first plate-shaped component. The pivot axes are preferably perpendicular to each other and whereby the protective shell has a sound channel from the opening for the speaker to the rear wall of the protective shell.