Patent ID: 8155350

Claim:
An amplifier controller for controlling a plurality of amplifiers connected therewith, wherein each of said amplifiers being provided with one or more audio output channels, said amplifier controller comprising: a mode controller that decides initiation and termination of solo mode; a solo initiating device that, when said mode controller decides to initiate the solo mode, instructs all of said plurality of the amplifiers to turn off output of all audio output channels provided in the amplifiers; a selector that selects an audio output channel for which solo output is to be performed; a solo instructing device that instructs the amplifier provided with the audio output channel selected by said selector to turn on output of the selected channel, and instructs each of the amplifiers provided with an audio output channel other than the selected channel to turn off output of the audio output channel; and a controller that activates said solo instructing device only in the solo mode.