The XTA DP224 is a compact and powerful DSP based audio processing unit, ideally suited for live applications, where it combines the functions of multiple conventional products in a compact 1U high unit. To achieve this the DP224 has 2 inputs and 4 outputs, which can be configured in 3 basic modes, 2 x 2 way, 1 x 3 way and 4 way crossover. Each input has gain, delay and 8 bands of parametric EQ control, each output consists of a high and lowpass filter, 5 bands of parametric equalization, limiter, delay, gain and polarity controls.