KMXZ-FM is an adult contemporary radio station that serves Tucson, Arizona. KMXZ broadcasts on the frequency of 94.9 MHz and uses the branding of Mix FM. KMXZ is owned by E.W. Scripps Company and consistently places in the top 4 radio stations in the Arbitron ratings. The station was formerly known as KJYK. It is based from studios co-located with television station KGUN-TV in Tucson, and a transmitter site is at Tower Peak in the Tucson Mountains.