XHCZ-FM

XECZ-AM began operations in 1934 and received its full concession in 1944, it is the first radio station to begin operations in San Luis Potosí. It was owned by Zeferino Zaragoza Jiménez and broadcast on 1430 kHz, soon moving to 960. In 1950 ownership passed to Radiodifusoras Mexicanas, S.A., and in 1999, Radiodifusoras Mexicanas, then owned by GAPE, sold to OEM.

In 2011, XECZ was selected to migrate to FM and XHCZ-FM 104.9 begin operations on April 5, 2012.

On December 1, 2020, ABC Radio ceased operations in San Luis Potosí and Multimedios Radio began operating the station with the "La Lupe" Spanish adult hits format. The concession transfer was announced by Federal Telecommunications Institute on August 18, 2021, and then approved the relocation of XHCZ from its city center site to the tower also used by Multimedios station XHSNP-FM.