The Marani DPA Matrix processors of high quality providing 4 + 8 inputs and 4 + 8 outputs of DSP processing power. These processors are very versatile with a great range of features suitable for live sound and permanent installations. Programmable from front panel controls or connect to the DPA-440 or DPA-880 with the supplied software via USB to configure all parameter settings. The unit can store up to 16 user presets for the DPA-440 and 6 user presets for the DPA-880 and they can be remote controlled. The DPA's features and price offers great value.