The AC-AXION-IN-MCS provides 2 HDMI inputs into the Axion-X Chassis Matrix. The card also features HDMI Loop Outputs for each input. This card will output analog audio if the source is set to stereo 2 channel audio. The MSC – Mission Critical Scaling is designed to scale your input to a fixed resolution, when combined with an MSC output card you will get instant video switching with no sync or resolution change handshake issues.