Radio X is Frankfurt's independent, ad-free city radio station, broadcasting on FM 91.8 and DAB+. It offers a livestream, app, program overview, and various playlists for its listeners. The station engages with its community through events like 'radio x liest ein Buch,' a reading and music program, and an annual 'Tag der offenen Tür' where visitors can explore the studios and meet broadcasters. Additionally, it features local political coverage, such as 'Das Gallusfenster' for municipal elections.