KMRX (96.1 FM, "Big 96.1") is a classic hits music formatted radio station located and licensed in El Dorado, Arkansas and serves North Louisiana and South Arkansas.

The station was assigned the KMRX call letters by the Federal Communications Commission on July 5, 2004.

[2] When its call letters were KXZX, the station originally had a HAC format and was branded as "96X".

When the call letters changed to KMRX, the station was rebranded as "Mix 96.1" and then "Power 96.1".

The station aired The Kidd Kraddick Morning Show during this time.