Positive Feedback Duet Review

If you are serious about protecting your system an increasing sound quality the Duet (or its larger brother the Quintet) is for you. The Duet positively outperforms my Monster HTS 200 conditioner at about the same price. Depending on the size of your system and the quality of your room's AC, the Duet may be the only power filter/protector you'll ever need. At $299 starting price, the Duet is one of the most cost-effective ways I know of to filt

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