There s truth to something’s but myself and many others have checked out these Duelund -Mundorf Ultra Audio purifiers and they truly do filter- clean the Audio signal before it enters the speaker ,granted it did take 150 hours before they opened up being such big capacitors Duelund are the best ,they have a even better Tinned Copper dual Ultimate 2 guys bought and commented they truly opened up their system ,I may check ‘em out ,synergistic make something similar but not even close in performance ,I have both , And Everyone That has come over could hear the improvements with little effort.
Audio nonsense
In this wonderful world of audio that we journey through folks selling stuff have sometimes been inventive in what they claim. In your trip down this road what sticks out as the most ludicrous thing you’ve seen someone try to sell?
I can point to 2 things. When I first saw a Tice clock in a store I thought it was a gag. Next- Peter Belt.