The A16.D16 provides a combination of SSL SuperAnalogueTM and AES3 digital I/O to Dante, AES 67 based IP networks. A16.D16 includes redundant network connections and PSUs. It features 16 line inputs - four of which also have switchable mic circuits, 16 line outputs and 16 digital I/O in 8 AES3 pairs. There are four GPIO.