Electronic apparatus and control method thereof and Audio output system

Electronic device and a control method, and an audio output system is provided. Control method for an electronic apparatus according to the present invention comprises the steps of: receiving a noise signal input to the at least a first audio output device from the at least a first audio output device among the plurality of audio output device, a noise reduction on the basis of the noise signal generating a signal and transmitting at least one of the first noise cancellation signal to an audio output device, and transmitting an audio signal to the second audio output device among the plurality of audio output devices. Accordingly, the present invention can output a high-quality audio noise is attenuated in the audio output device.