XHFF-FM is a radio station broadcasting on 93.7 MHz from Fresnillo, Zacatecas, Mexico. It is owned and operated by Súper Frecuencia de Fresnillo, S.A. de C.V., a subsidiary of Grupo B15. The station broadcasts a regional Mexican music format, branded as "La Poderosa" (The Powerful).
The concession for XHFF-FM was granted in 1989. As part of Grupo B15, the station serves the Fresnillo area and surrounding communities, offering a mix of regional Mexican and grupera music, along with local news and community programming. Its programming is tailored to a general audience interested in popular Mexican musical genres.