Blackmagic Design Teranex Mini Audio to SDI 12G Converter Blackmagic Design Teranex Mini Audio to SDI 12G Converter - Software SD Card - Blackmagic Design 3 Year Limited Warranty This Item Includes: SDI Video Input: 1 x 12G-SDI SD/HD/2K/4K auto switching. SDI Video Output: 1 x 12G-SDI output. Analog Audio Input: 2 channels professional balanced analog audio via XLR connectors, or 2 channel unbalanced analog line level via RCA connectors. Right XLR can be configured for timecode input AES/EBU Audio Input: 4 channels professional 110O balanced digital audio via XLR connectors. Right XLR can be configured for timecode input