CFMX-FM (103.1 MHz) is a commercial radio station in Cobourg, Ontario, and serving the Peterborough area. It is owned by ZoomerMedia and airs a classical music format branded as Classical 103.1. It is a semi-satellite of Toronto's 96.3 CFMZ-FM. All music programming originates from Toronto, although 24 hours per week of locally oriented talk, news and spoken word programming broadcasts from radio studios in Cobourg. During the simulcast music shows, CFMX-FM inserts local commercials.