I have had the Zenwave D4 pair since july and purchased demos from Dave. He was kind and added his new dampers to the rca's. These replaced the Wywires Platinum interconnects which were very good, but lacked the sparkle of the D4's. I found more depth to the sound stage and they seem to reach a bit further in highs and lows. The Wywire Platinums were no slouch, but the D4's are just more musical IMO.
