A receiver which receives two-channel multiplex broadcasting by using television sub audio. Two-channel data and/or facsimile data which are multiplexed on the broadcasting sub audio band of the television broadcasting wave including a video band, a main audio band and a sub audio band are displayed, printed and output. The receiver may have a device for displaying and printing data multiplexed on the sub audio band of the FM broadcasting wave, and further may have a device for displaying a television picture. The receiver may perform only one, some or all of the functions of displaying, printing and outputting multiplexed data.