KBUN-FM (104.5 FM, "Sports Radio FM 104.5 The Fan") is a sports radio station based in Bemidji, Minnesota, licensed to nearby Blackduck, Minnesota.

The transmitter site is north of Lake Bemidji on Sumac Road.

KBUN-FM is the local home to the Minnesota Twins broadcasts, along with its sister station KBUN.

[3] The sale was completed on February 27, 2015, at a purchase price of $8 million for the 16 stations and one translator.

[4] On October 26, 2015, WQXJ changed its program format to sports, branded as "Sports Radio FM 104.5 The Fan" under new call letters, KBUN-FM.