KQIZ-FM is a Rhythmic Top 40 music formatted radio station in Amarillo, Texas, U.S.A.. KQIZ is owned by the media company, Cumulus Media. Its studios are located at the Amarillo Building downtown on Polk Street, and its transmitter tower is based north of the city on the property of television station KFDA-TV in unincorporated Potter County.It was originally a Top 40 radio station called Z-93.