Pre / Amp RCA jumpers for NAD C356

I also think that Cardas is the marque to look to. I would get a short IC because the metallurgy of the straps is questionable at best.

Try the anticable jumpers. I used them and found them vastly superior to the audioquest ones. They were only around $20 I believe.

Had the C370 integrated

(1) tried the cheap route first. My findings starting with the worst first and going up in order :
- NAD stock stamped metal jumpers,
- Audioquest "mini RCA" jumpers
- other "cheapo" ICs with their crummy RCA connectors
- CARDAS copper stamped metsl connectors

(2) from my experience, a QUALITY short length psir of ICs worked much MUCH better. For me: = Van Den Hul with quaility RCAs

(3) What worked best overall, including better than swwapping in the quailty ICs as jumpers: replaced the stock wired-in power cord with a professional mod IEC receptacle and inserted a quality power cord (Furutech)