Stetsom Digital Audio Processor Equalizer XVR 4 - STX2448

This is a high-quality, fixed-function, 32-bit digital audio processor.This device contains a number of built-in processing functions including mixing/scaling of two digital inputs, bass and treble controls, six cascaded stereo high-precision, limit-cycle-free, second-order IIR filters, dynamic range compression, soft volume, and soft mute.'