Nemesis Audio NA-68DSP 6-CH Input - 8-CH Output Digital Signal ProcessorBRAND NEW NEMESIS AUDIO NA 68DSP 6 Channel Input 8 Channel Output Digital Signal Processor Key Features: Voltage Range: 6. 3 16. 3V Input Channel: 6 Channel High level, 6 Low level, Optical fiber input, Bluetooth Input Output Channel: 8 Channel low level Output Low Level Output Voltage : 3V Spdif Toslink Output: supports (Cascade output) High Level Input Impedance: 33 Ohms (Automatic Selection of Input Impedance) Low Level Output Impedance: <50 Ohms