The station has studios located in Burbank, while its transmitter is based on Mount Wilson, and broadcasts in the HD Radio format.

In 1977, under the ownership of Capital Cities Communications, KPOL-FM broke away from the simulcast and adopted a soft rock format similar to crosstown KNX-FM using the on-air identity "94 FM".

In 1984, Capital Cities sold KZLA (AM) to Spanish Broadcasting System (which rechristened it KSKQ) and KZLA-FM to Malrite Communications Group.

By 1994, Malrite had changed KLAC to an adult standards format from Westwood One, leaving KZLA as the established country music station in the market.

On August 17, at 10:18 am, after playing "Tonight I Wanna Cry" by Keith Urban, KZLA flipped to rhythmic adult contemporary, branded as "MOViN' 93.9".

Jimmy Steal, Emmis' vice president of programming, cited declining ratings of the country format as well as an opportunity to increase overall station and corporate revenue.

On the heels of launching KMVN, Emmis also signed legendary entertainment personality Rick Dees to host the morning show.

Over the course of a few months, the station began adding more staffers to its lineup, with Tera Bonilla doing middays, Mario Fuentes hired for afternoons, and Nena handling nights and weekends.

By Summer 2008, KMVN began adding classic and dance-friendly modern/new wave hits from the 1980s to its musical mix, but continued to stay within the rhythmic gold realm.

On April 3, 2009, Emmis announced that they had entered into a seven-year local marketing agreement with Grupo Radio Centro of Mexico City.

At midnight on April 15, after airing a farewell message from Rick Dees (in which he explained the sale and impending flip before redirecting listeners of his show to his website, RICK.com, then playing "Last Dance" by Donna Summer as MOViN's final song), the station flipped to Spanish AC as "Éxitos 93.9", with the first song of the format being "El Viajero" by Luis Miguel.

[7] It also used some of XHFAJ's DJs to voicetrack in key dayparts on KXOS, but the station also was required to utilize local talent because of the FCC's ownership rules.

On January 19, 2014, KXOS changed its format to regional Mexican, branded as "Radio Centro 93.9" while keeping the same logo scheme.

O'Neill and Ambriz alleged that they were fired after reporting ratings fraud and uncovering the station's hiring of undocumented immigrants.

[12] On July 18, Meruelo flipped the station to rhythmic contemporary, albeit with a Latin focused presentation, branded as Cali 93.9 at (appropriately) 9:39 am that day.

Meruelo will also partner with Grupo Radio Centro to launch a Spanish All-News format on the HD2 subchannel of KXOS, while also developing content for KWHY.