Kramer Electronics 6808 6808 is an audio de-embedder for SDI (SMPTE 259M) video signals that contain embedded audio. Up to 2 channels of embedded audio can be de-embedded simultaneously. Input - 1 SDI with embedded Audio. Looping Input - Cable equalized and reclocked up to 350 Meters (1150feet). Group Select - Selects which 2 of 4 embedded Audio channels are to be de-embedded. Outputs - 2 AES/EBU audio. Status - Audio and video input status LEDs. Compact Kramer TOOLS - 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3T rack.