This one is astounding to me.
https://www.audiogon.com/listings/lis9a34e-kemp-elektroniks-maxiimus-p16-flexii-ultimate-a-v-version-amazing-tweak-tweaks
The MAXiiMUS P16 Flexii Ultimate A/V Version harmonizes electro-smog in your home. Also, your A/V set will perform the way you want much...