would have to disagree with JD...no offense intended...
i have owned and auditoned power cords and there is a very noticeable difference between the bass intergation, pitch, detail, speed, dynamics, and amount of bass..
compare cardas power cords to shunyatas or audiences power cords and the presentation will be 180 degrees different (in regards to the bass, hugh differences in regards to intergation, speed, detail, and slam... it was like changing from a sealed speaker with tight bass to a ported speaker with really loose, flabby bass.
i would suggest the audience power cord... i have compared it to others costing far $$$$$ and it is a very well rounded performer with very good resolution and highly extenteded at the frequency extremes.