KOA is a commercial AM radio station licensed to Denver, Colorado. Owned by iHeartMedia, it serves the Denver-Boulder media market. KOA broadcasts a news/talk radio format and is also the flagship station of the Denver Broncos, Colorado Rockies, and Colorado Buffaloes. KOA has studios in Southeast Denver, while the transmitter site is off South Parker Road in Parker.KOA is a Class A clear-channel station, broadcasting at 50,000 watts non-directional, the maximum power permitted by the Federal Communications Commission for AM stations. By day, the station is easily heard around Eastern Colorado including cities such as Colorado Springs, Pueblo and Fort Collins. With a good radio at night, the signal can be heard over the Central and Western United States, and parts of Canada and Mexico. KOA is nicknamed "the Blowtorch of the West".As of November 1, 2015, KOA is also heard on 94.1 MHz K231BQ, which is licensed to Golden, Colorado as an FM translator of KBCO-HD3. In addition, KOA also simulcasts on translator K231AA (also on 94.1 MHz), licensed to Boulder.