New power cord needed for speaker with powered subwoofer?


I just bought GoldenEar Triton 1 speakers.
They have built in subwoofers self powered with 1800 watts.
My question is would they greatly benefit from new brand name power cords?
Or do you think the power cords designed for them suffice?
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I definitely heard an improvement in the bass, with my Von Schweikert dB 99 speakers when I upgraded the power cords to the Shunyata Diamond Back power cord, which is a somewhat inexpensive power cord compaired to whats available.
Does anyone know if there is a difference in quality between Cullen and Morrow?
This should not even be a typical question. The answer is of course the bass will change with an aftermarket power cord. I do this continually with Legacy Audio XTREME XD Subs (reviewed). I wouldn't dream of using the manufacturer supplied dud cord for better LF.