The X-S2 is part of the Digital Forecast Bridge X Series and is an HDMI & DVI to 3G-SDI converter with scaler, supporting formats up to 1080p60 resolution. This converter takes your incoming HDMI or DVI signal and converts it to an outgoing SDI SMPTE standard signal, for use in pro A/V or broadcast productions. You can select your mux audio source, choosing between embedded HDMI or L/R analog and then determine the output.