Provided are an audio reproduction device and a method of controlling an operation thereof, which involve a user interface that allows a user to more effectively control various functions. The audio reproduction device includes a processor configured to obtain function information of the audio reproduction device corresponding to a user input received using mapping information for mapping between a user input received based on at least one of at least one wheel region rotatable clockwise or counterclockwise and at least one touch region and function information of the audio reproduction device, and to control the audio reproduction device according to the obtained function information of the audio reproduction device.