texas instruments for blocking emi rfiinterference conventional shielding ... materials that shield against both emi rfi microsorb pg 18 could be used to ... .95 12 x 24 58.50 stillpoints ers emi/rfi suppression cloth in appearance a grey ... not only shields from and reflects emi/rfi but absorbs it so merely laying a sheet ... ac junction boxes power supplies transformers can have dramatic results even speaker ... ers buy nine sheets get one free aq rf stoppers rf suppressing ferrite clamps ... with heat shrink 4.95 each this is the rf stopper audioquest used on their ac-12 ...