a 2 Ton (4500 Lbs US), 3.5 M by 3.1 M by 4 M mobile 2000 watt steel and aluminuim horn sound system, all powered from a commercial 12" speaker driver. It functions as a mobile audio input station whereby people can plug-in in order to project content a distance of 1 km, designed to be the ultimate monophonic sound projector intended to catalyze social activities in multiple settings.
Sure, if by 'catalyze social activities' you mean disturb your neighbors and throw down kick ass parties. Massive.