The V2V-SDHD enables you to connect your high-definition HD-SDI or SDI devices to HDMI displays or TVs with embedded HDMI audio. It also features 2-channel RCA audio output for monitoring or connection to external speakers. Often the display or TV will have poor sound or no sound at all, requiring the additional audio output. The V2V-SDHD also features a looping HD-SDI/SDI connection that allows you to daisy chain the signal to other outputs. This means that you can have multiple HDMI displays playing the HD-SDI/SDI signal.