The DPA-DAC4 accessory card is designed to work in conjunction with DPA Series amplifiers. The DPA-DAC4 is a 4-input Dante™ receiver that features digital audio transportation over standard IP networks. The DPA Series 4-channel amplifiers come standard with four balanced line inputs and an accessory card slot to add an additional 4-inputs, giving the amplifiers a total of 8-inputs. All inputs can be mixed and routed to any of the four amplifier channels. All four amplifier channels have an assortment of DSP tools including level controls, EQ's, limiters, high & low pass filters, and delay to provide flexibility for a range of applications.