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Furutech's DeMag devices manages to demagnetize any kind of disc-shaped media in order to eliminate "resolution-sapping magnetic interference" from your CDs, DVDs, SACDs, and DVD-As. Maybe we're not understanding this correctly, because CESWeb gave it a Best of Innovations 2007 award, but can someone tell me why does optical media need to be demagnetized? A simple Google search for demagnetizing optical media gives Furutech as the most of the top 20 results. Why?

In addition, you can also use this on LPs (magnetic interference with the grooves?), cables, connectors and power cords. This smells of wine-soaked volume knobs to us, but maybe we're wrong.