CFZZ-FM is a French language Canadian radio station located in Saint-Jean-sur-Richelieu, Quebec and serving the Greater Montreal Area as a rimshot signal. Owned and operated by Bell Media, it is part of the Boom FM network. As such, the station has an oldies format.Originally known as CHRS, the station operated on 1090 kHz as one of the very few daytime-only stations in Canada.