The 24.24M Output from Ashly is a four-output expansion module for the Protea 24.24M Matrix Processor base unit. Each card provides an additional four channels of output and brings with it dedicated DSP and digital-to-analog converters.

The 24.24M Input from Ashley is a four-input expansion module for the Protea 24.24M Matrix Processor base unit. Each card provides an additional four channels of input and brings with it dedicated DSP and analog-to-digital converters.