An audio mixing system for providing an audio processing interface at a mobile device may include a mobile device including an interface configured to present a display screen to receive user input to control a remote audio mixer that is operably coupled to at least one musical instrument, transmit, via a wireless network, a mobile device command indicating an audio setting, the command being generated in response to user input, receive, via the wireless network and in response to the mobile device command, first mixer data indicative of audio settings of the remote audio mixer, and present an updated display screen, the updated display screen reflecting the first mixer data as a result of the mobile device command to present a real-time display of the audio settings of the remote audio mixer.