It broadcasts the Société Radio-Canada's Ici Musique network at 90.9 FM in Sudbury, Ontario.
[3] The station went on the air on April 20, 2001, approximately one month after the launch of CBC Radio 2's CBBS-FM.
[4] On June 29, 2007, the CBC was given approval to add a rebroadcaster of CBBX in Timmins on 105.7 MHz.
On March 30, 2015, Eternacom, the owners of the Christian radio station CJTK-FM Sudbury, received CRTC approval to add a new FM transmitter at Timmins to operate at 105.5 MHz,[6] which is first-adjacent to the unbuilt rebroadcaster of CBBX-FM.
In long-term expansion plans that the CBC has filed with the CRTC, the station was also slated to add rebroadcasters in Hearst, Kapuskasing and North Bay, although no firm timeframe for this service expansion has been announced.