A media connect device serving as a medium between a media player and an audio device, the media connect device comprising: a media player connector including: an audio connector connected to an audio jack of the media player so as to receive an analog audio signal outputted from the media player; and a remote control connector connected to a remote control jack of the media player so as to provide a device control signal with respect to the media player, wherein the media player provides an interface to the media player connector; an A/D converter receiving an analog audio signal outputted from the media player through the media player connector and generating digital audio data through A/D conversion processing; an audio device connector connected to the audio device through a specific transmission medium so as to provide an interface to the audio device; a system controller packetizing the digital audio data provided from the A/D converter in accordance with the transmission medium, providing the generated digital audio data packets to the audio device through the audio device connector such that the audio device outputs sound of the analog audio signal through D/A conversion, analyzing the contents of a user's manipulation from manipulation control data when the manipulation control data generated by the user's manipulation in the audio device are provided as data packets depending on the transmission medium through the audio device connector, and generating a corresponding device control signal with respect to the media player so as to provide the device control signal to the media player through the media player connector. a media player connector including: an audio connector connected to an audio jack of the media player so as to receive an analog audio signal outputted from the media player; and a remote control connector connected to a remote control jack of the media player so as to provide a device control signal with respect to the media player, an audio connector connected to an audio jack of the media player so as to receive an analog audio signal outputted from the media player; and a remote control connector connected to a remote control jack of the media player so as to provide a device control signal with respect to the media player, wherein the media player provides an interface to the media player connector; an A/D converter receiving an analog audio signal outputted from the media player through the media player connector and generating digital audio data through A/D conversion processing; an audio device connector connected to the audio device through a specific transmission medium so as to provide an interface to the audio device; a system controller packetizing the digital audio data provided from the A/D converter in accordance with the transmission medium, providing the generated digital audio data packets to the audio device through the audio device connector such that the audio device outputs sound of the analog audio signal through D/A conversion, analyzing the contents of a user's manipulation from manipulation control data when the manipulation control data generated by the user's manipulation in the audio device are provided as data packets depending on the transmission medium through the audio device connector, and generating a corresponding device control signal with respect to the media player so as to provide the device control signal to the media player through the media player connector.