La X Medellín 103.9 FM is a Colombian radio station based in Medellín, Antioquia. It is the first and only electronic dance music station in Colombia, promoting the most important trends in international music through its varied programming. The station broadcasts on 103.9 FM in Medellín and is also available online through its website.

La X Medellín focuses on electronic, pop, and Anglo music, offering a mix of current hits and dance tracks. The station features both live DJ sessions and regular programming, catering to fans of electronic and dance music in the Medellín area and beyond.

As part of the La X brand operated by Todelar, La X Medellín distinguishes itself from its sister stations in Bogotá and Cali by specializing in electronic music, while the others focus on adult contemporary and contemporary hit radio formats respectively.

The station maintains an active online presence, regularly updating its website with music news, artist interviews, and information about electronic music events and festivals. La X Medellín has established itself as a key player in Colombia's electronic music scene, supporting both local and international artists in the genre.