1.With digital and analog input and output 2.AES3,Coaxial,Optical 3.Signal generator 4.Password function DP4832--192KHz ... Sampling Frequency, 32-bit DSP Processor, 24-bit A/D and D/A converter.--Digital ... , Polarity, Crossover, Compressor/Limiter ,Matrix, Parametric EQ --Signal Generator--Password Function--Matrix and Mute in Channels can be controlled ...