Controller of the IMPACT system that manages the audio signals according to the assigned priority level, sends them to the DCA 2,500 amplifiers. 2 x 500 W, assigning them to their output channels A or B. The unit can manage up to 16 power stages with a total of 16,000 W. If it is necessary to subdivide the power, the 4E-SW6 modules are used for additional subzones, managed also by the controller. It can be expanded via the local network to connect, for example, microphone desks, or via two global network connections that allow multiple IMPACT and C500 systems to be linked. It occupies 1 unit of rack height.