Looking for other options... Any other suggestions???
Get the most expensive of them all, that got more scientific research behind it, and probably the most precious metals of the bunch!
seriously AWG #10-12 should be typical.
if you want a dressed up one for aesthetic, this is immaterial to the sound, so any grand looks would do!
if you want a claimed scientific technology behind the cable, this is also immaterial to the sound, so any scientific claims will do!
Bottomline, the only material thing to the power transfer from amplifier to the speaker is just the size.
However, if you expect equalization to happen via your cable - well, you have to tell us what kind of equalization you hope to achieve, your speaker model, your listening preference, etc etc. Of course, doing all this via the cable is a long shot!