The For.A Digital Audio I/O Card (4 AES Channels, Balanced or Unbalanced) is a hardware option that adds four channels of AES digital audio input and output to a compatible For.A video switcher. AES stands for Audio Engineering Society, and it is a digital audio standard that is commonly used in professional audio equipment.
The Digital Audio I/O Card is a single-slot option card that can be installed in any of the available option slots on a compatible For.A video switcher. It is compatible with a variety of For.A video switchers, including the HVS-6000, HVS-500 Series, and HVS-490 Series.