KNSH (1550 AM, "Talk 1550") is a radio station serving the Amarillo, Texas, area with a talk radio format. This station broadcasts on AM frequency 1550 kHz and is under ownership of Cumulus Media. Its studios are located at the Amarillo Building downtown on Polk Street, and its transmitter tower is based in Canyon, where the station is licensed to serve.
In January 2008 it began airing hot talk John Clay Wolfe and the daily nooner weekdays at 12 from ESPN affiliate KSEY from Vernon, Texas.
KZRK was airing a news/talk format before the format change in 2007, then carrying Spanish sports before going silent in September 2012. They came back on the air in October 2012 with a simulcast of sports-formatted KPUR 1440 AM Amarillo, Texas.
On January 3, 2012, KZRK changed their format to talk, branded as "Talk 1550".
On December 31, 2013, KZRK changed their call letters to KNSH.