KTHX-FM (94.5 MHz) is a commercial FM radio station broadcasting a sports format, as a network affiliate of ESPN Radio. Licensed to Sun Valley, Nevada, it serves the Reno metropolitan area and Lake Tahoe. The station is owned and operated by Lotus Communications. The radio studios are on Plumb Lane in South Reno.

KTHX-FM has an effective radiated power (ERP) of 50,000 watts. The transmitter is located off McGuffrey Road on Red Hill in North Reno. Programming is also heard on a 99 watt FM translator, K232EA at 94.3 MHz in Carson City, Nevada.