Audient ASP880 8 Channel Microphone Preamplifier and ADC 8 Audient Console Mic Pres All new, Burr Brown AD converter technology; 2 Channels of Class-A Discrete JFET D.I instrument inputs Variable Input Impedance, Variable High Pass Filters 8 Insert points between the mic preamps and AD converters Digital Outputs - ADAT, AES & S/PDIF