A display apparatus comprising: a display panel; a plurality of light sources disposed respectively at left and right sides of the display panel; an audio input configured to receive an audio signal; an audio output configured to output the audio signal; a filter configured to separate a high frequency component from the audio signal, wherein the high frequency component is equal to or higher than a preset frequency; and a processor, comprising an audio processing module and a lighting module, the processor being configured: transmit the received audio signal to the filter; receive the audio signal divided by the filter based on the frequency band; divide the high frequency component into a left audio signal and a right audio signal; transmit the divided high frequency component to the audio output and output a sound corresponding to the divided high frequency component, wherein the lighting control module is arranged to drive the plurality of light sources by: in response to the left audio signal, flickering a first light source disposed at the left side of the display panel independent of a volume of sound that is output; and in response to the right audio signal, flickering a second light source disposed at the right side of the display panel independent of a volume of sound that is output. a display panel; a plurality of light sources disposed respectively at left and right sides of the display panel; an audio input configured to receive an audio signal; an audio output configured to output the audio signal; a filter configured to separate a high frequency component from the audio signal, wherein the high frequency component is equal to or higher than a preset frequency; and a processor, comprising an audio processing module and a lighting module, the processor being configured: transmit the received audio signal to the filter; receive the audio signal divided by the filter based on the frequency band; divide the high frequency component into a left audio signal and a right audio signal; transmit the divided high frequency component to the audio output and output a sound corresponding to the divided high frequency component, transmit the received audio signal to the filter; receive the audio signal divided by the filter based on the frequency band; divide the high frequency component into a left audio signal and a right audio signal; transmit the divided high frequency component to the audio output and output a sound corresponding to the divided high frequency component, wherein the lighting control module is arranged to drive the plurality of light sources by: in response to the left audio signal, flickering a first light source disposed at the left side of the display panel independent of a volume of sound that is output; and in response to the right audio signal, flickering a second light source disposed at the right side of the display panel independent of a volume of sound that is output. in response to the left audio signal, flickering a first light source disposed at the left side of the display panel independent of a volume of sound that is output; and in response to the right audio signal, flickering a second light source disposed at the right side of the display panel independent of a volume of sound that is output.