Rack system consists of SKB case, Peavey DPC750 Amp, Stereo Steel PreCompanion(Gold) with Alessis Nanoverb built in, and T.C. Electronic M350 Effects Processor. Cabinets are open back with Peavey 112 Black Widow 1201-8 speakers. Cabinets are made by Rick Johnson. Case has wiring for power and speakers. Individual units need to be wired up.