A method and device for processing an audio output in consideration of the hearing characteristics of a user and the characteristics of an audio device connected to an electronic device is provided. The electronic device includes a user interface; an audio interface configured to establish a connection to an audio device, a memory, and at least one processor electrically connected to the user interface, the memory, and the audio interface, wherein the at least one processor is configured to acquire at least one of identification information of the audio device and characteristics of the audio device, select audio adaptation information, change an audio signal, at least partially based on the audio adaptation information, and transmit the changed audio signal to the audio device.