A DJ booth contains a DJ's sound sources and mixing equipment. See a DJ booth set up in this free music career video from a professional DJ and music production instructor.  In most DJ setups you've got two sound sources. In this case we've got two turntables or record players. Each of them has their own set of outputs and their RCA cables that go into my mixing board or my mixing source.  Watch this video to learn the complete set up for your professional DJ booth!