Power cable for REL sub -- modestly priced


Does anyone have a suggestion for a longer cord for a REL 328 sub? It has a class D amp.
Before you suggest high dollar cords, please know that I'm not a skeptic, but am tapped out for power cords. And, for what it's worth, I had a Pangea AC9 1 meter power cord which I experimented with using my REL. Made zero difference. In fact, in an exchange with REL, they said this: "A while back, REL tested some third party power cords with our subs but did not find a noticeable impact."

So, my question is about a decently made but not pricey brand of extension cord for a REL sub. I'm not looking for Shunyata etc.  Any suggestions? Thanks.
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@tvad Thanks. The cord that comes with the REL is a Volex 1625 cord: Wire Gauge = 10, rated current =10A.
However, the Newark cord is rated 14 gauge and rate for 15A.
Not sure if a thinner cord would make a difference for the REL.

@jl35 "Used 2 foot cord" sounds like a country song. ;-)
Before you suggest high dollar cords, please know that I'm not a skeptic, but am tapped out for power cords. And, for what it's worth, I had a Pangea AC9 1 meter power cord which I experimented with using my REL. Made zero difference. In fact, in an exchange with REL, they said this: "A while back, REL tested some third party power cords with our subs but did not find a noticeable impact."

So REL tested "some" third party PC and "did not find a noticeable impact." Probably because power cords tend not to have a noticeable impact with subs. Another example of just how different low bass is from everything else. 

Look at my system. https://systems.audiogon.com/systems/8367 All that crazy stuff- Cones, elevators, tweaks of every kind- every single one of them was tried and compared and proven or its not there. So what's not there? Check out the crap IC going to the subs. Cheapest IC in the system. Absolute trash. Tried a bunch of others, no difference, so trash it is. Subs don't care. 

Notice Electraglide fat boy PCs going to the Dayton sub amps? Know why they're there? Because I had em, just sitting in a drawer, and they're the perfect length. Only reason. Notice cheap gray crap rubber power cord going to the Talon Roc sub? Guess why. I had it. Its long enough. It gets power to the sub. Save your money. Buy whatever extension cord you can find that's decent gauge and save your money for where it will make a difference.
@millercarbon Do you think it would make a difference to a sub to go from the mfr supplied cord which is 10 gauge to a 14 gauge cord? If not, then this is going to be one inexpensive shopping experience (for once).
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@tvad Thanks. I don't expect to hear a difference. Just want to make sure it will work with the sub, mechanically. (That's probably a super dumb question, but if I clear it out of the way, I'm good to go.)