A display apparatus comprising: a display; a content interface; a communication interface; and a controller configured to: control the display to display an image corresponding to a broadcast signal received through the content interface; receive operation information of an external audio apparatus through at least one interface selected from the content interface and the communication interface; control the display to display a first control menu to provide the operation information of the external audio apparatus to control the external audio apparatus based on the operation information of the external audio apparatus and an operation information of the display apparatus; control the display to display a second control menu for representing information about an application of the external audio apparatus for audio reproduction of the external audio apparatus, the second control menu being selectable to control the application of the external audio apparatus; and control the display to display a third control menu for representing information about an application of an external user device communicating with the external audio apparatus for audio reproduction of the external user device, the third control menu being selectable to control the application of the external user device, control the audio reproduction of the external audio apparatus and/or the external user device based on the input received through one of the first control menu, the second control menu, and the third control menu, which are displayed simultaneously on the display of the display apparatus, wherein the controller is further configured to: receive the information about the application of the external audio apparatus through the at least one interface, and receive the information about the application of the external user device communicating with the external audio apparatus from the external audio apparatus through the at least one interface. a display; a content interface; a communication interface; and a controller configured to: control the display to display an image corresponding to a broadcast signal received through the content interface; receive operation information of an external audio apparatus through at least one interface selected from the content interface and the communication interface; control the display to display a first control menu to provide the operation information of the external audio apparatus to control the external audio apparatus based on the operation information of the external audio apparatus and an operation information of the display apparatus; control the display to display a second control menu for representing information about an application of the external audio apparatus for audio reproduction of the external audio apparatus, the second control menu being selectable to control the application of the external audio apparatus; and control the display to display a third control menu for representing information about an application of an external user device communicating with the external audio apparatus for audio reproduction of the external user device, the third control menu being selectable to control the application of the external user device, control the audio reproduction of the external audio apparatus and/or the external user device based on the input received through one of the first control menu, the second control menu, and the third control menu, which are displayed simultaneously on the display of the display apparatus, control the display to display an image corresponding to a broadcast signal received through the content interface; receive operation information of an external audio apparatus through at least one interface selected from the content interface and the communication interface; control the display to display a first control menu to provide the operation information of the external audio apparatus to control the external audio apparatus based on the operation information of the external audio apparatus and an operation information of the display apparatus; control the display to display a second control menu for representing information about an application of the external audio apparatus for audio reproduction of the external audio apparatus, the second control menu being selectable to control the application of the external audio apparatus; and control the display to display a third control menu for representing information about an application of an external user device communicating with the external audio apparatus for audio reproduction of the external user device, the third control menu being selectable to control the application of the external user device, control the audio reproduction of the external audio apparatus and/or the external user device based on the input received through one of the first control menu, the second control menu, and the third control menu, which are displayed simultaneously on the display of the display apparatus, wherein the controller is further configured to: receive the information about the application of the external audio apparatus through the at least one interface, and receive the information about the application of the external user device communicating with the external audio apparatus from the external audio apparatus through the at least one interface. receive the information about the application of the external audio apparatus through the at least one interface, and receive the information about the application of the external user device communicating with the external audio apparatus from the external audio apparatus through the at least one interface.