Five Meyer Sound Galileo 616 processors and four Apogee AD-16X (analog to digital) converters at front of house. The AD-16X converters feed digital signal to the LightViper fiber optic transport system, with four Apogee DA-16X (digital to analog) converters sitting before the line arrays as the last component in the chain. The eight Apogee units provide a total of 64 channels of I/O.