The Monoprice blackbird 4K Series audio inserter allows you to insert stereo or multichannel surround sound audio signals through a digital To slink or an analog 3. 5mm input, giving you the ability to add digital or analog audio to an HDMI video signal. It supports 2-, 5. 1-, and 7. 1-Channel LPCM, Dolby 5. 1, DTS 5. 1, Dolby digital Plus, Dolby TrueHD, DTS-HD Master Audio formats. The blackbird 4K Series audio inserter is fully compliant with the HDMI and HDCP 1. 2 standards to ensure compatibility with equipment and components.