AD-1PRE provides two sets of unbalanced outputs and a set of true fully balanced stereo analog audio outputs; these three sets of analog output terminals have analog output filter circuits optimized for group delay
Lossless input of digital signals
Equipped with five digital audio inputs: 2 groups of coaxial, optical fiber, 1 group of USB; 3 groups of analog audio input: 1 group of AUX, CD, DVD input, 1 group of balanced audio input