An console labelling system configured to label output channels of an audio mixing console, the system comprising: the audio mixing console comprising a processor and input and output ports; a speaker; and a mobile device; wherein the mobile device is configured to transmit a test command to the audio mixing console instructing the audio mixing console to transmit an audio signal over a certain output channel of the output channels, the audio signal comprising a tone; wherein the audio mixing console is configured to receive the test command from the mobile device and transmit, in response to the received test command, from an output port of the output ports, and over a wire (180, 190, 195) plugged into the output port, the audio signal to the speaker, the output port being associated with the certain output channel of the audio mixing console; wherein the speaker is configured to emit sound comprising the tone in response to the reception of the audio signal, so that a user may hear the tone and in turn identify the speaker; wherein the mobile device is further configured to receive a user input, wherein the user input is a channel label to be assigned to the certain output channel of the identified speaker and is based on the identification of the speaker by the user based on the tone comprised in the sound emitted by the speaker and transmit a label signal including the channel label to be assigned to the certain output channel in response to the user input to the audio mixing console; and wherein the audio mixing console is further configured to receive the label signal from the mobile device and assign the channel label to the certain output channel in response to the reception of the label signal. the audio mixing console comprising a processor and input and output ports; a speaker; and a mobile device; wherein the mobile device is configured to transmit a test command to the audio mixing console instructing the audio mixing console to transmit an audio signal over a certain output channel of the output channels, the audio signal comprising a tone; wherein the audio mixing console is configured to receive the test command from the mobile device and transmit, in response to the received test command, from an output port of the output ports, and over a wire (180, 190, 195) plugged into the output port, the audio signal to the speaker, the output port being associated with the certain output channel of the audio mixing console; receive the test command from the mobile device and transmit, in response to the received test command, from an output port of the output ports, and over a wire (180, 190, 195) plugged into the output port, the audio signal to the speaker, the output port being associated with the certain output channel of the audio mixing console; wherein the speaker is configured to emit sound comprising the tone in response to the reception of the audio signal, so that a user may hear the tone and in turn identify the speaker; wherein the mobile device is further configured to receive a user input, wherein the user input is a channel label to be assigned to the certain output channel of the identified speaker and is based on the identification of the speaker by the user based on the tone comprised in the sound emitted by the speaker and transmit a label signal including the channel label to be assigned to the certain output channel in response to the user input to the audio mixing console; and receive a user input, wherein the user input is a channel label to be assigned to the certain output channel of the identified speaker and is based on the identification of the speaker by the user based on the tone comprised in the sound emitted by the speaker and transmit a label signal including the channel label to be assigned to the certain output channel in response to the user input to the audio mixing console; and wherein the audio mixing console is further configured to receive the label signal from the mobile device and assign the channel label to the certain output channel in response to the reception of the label signal. receive the label signal from the mobile device and assign the channel label to the certain output channel in response to the reception of the label signal.