Kramer Electronics SG-6XL SG-6xl is a sync stabilizer for composite video and s-Video (Y/C) signals. It identifies and corrects missing or erroneous syncs in a video signal. Bandwidth - 26MHz (-3dB). Level (Gain) Control. Multi-Standard - PAL and NTSC. Inputs - Composite video or s-Video (selectable). Outputs - Composite video or s-Video (selectable). Compact Kramer TOOLS - 3 units can be rack mounted side-by-side in a 1U rack space with the optional RK-3T rack.