An electronic device and a controlling method of an electronic device are provided. The device includes: a speaker including a crossover filter configured to separate an input audio signal into a plurality of different frequency bands and a plurality of speaker units each corresponding to the plurality of frequency bands; a memory storing data for music content; and a processor configured to adjust a slope related to a range where the crossover filter filters the audio signal of each of the plurality of frequency bands based on at least one of a property of the music content or a user taste for sound, and control the crossover filter to filter the audio signal corresponding to the music content based on the adjusted slope while the music content is output through the speaker.