The studios and offices are located on East Van Buren Street in Phoenix near Sky Harbor Airport.

[1] The transmitter is in South Mountain Park, off Road B, amid other towers for Phoenix-area FM and TV stations.

The license was held by Aztec Radio, Inc., with owners John and Donna Karshner also serving as on-air staff and programmers.

Under Owens' ownership, the AM station in Phoenix became country music KTUF 1580, while 102.5 KNIX changed to progressive rock in August 1968.

The bumper sticker referred to KOY AM 550, the leading radio station in Phoenix at the time, and the only one with a three-letter call sign.

On September 16, 2014, Clear Channel renamed itself iHeartMedia, Inc., to bring its corporate name in line with its iHeartRadio internet platform.

The CMA honored KNIX-FM as its "Major Market Station of the Year" in 2019, its sixth time receiving the award.

On April 25, 2006, Clear Channel announced that KNIX's HD2 subchannel would carry a format focusing on music from new and up-and-coming Country artists.