Lightning audio cables

I just picked up a 4ga set from peep boys for an amp, sub box, and component install. Alone have any good or bad experiences to share?

 

It's not the best out there but it will do the trick.

What kit did you get and what amp are you using?

 

It's the 4ga amplifier kit with signal cable, which includes an 80 amp fuse holder. I am using two of these polk amps:

http://www.sonicelectronix.com/item...ource=GAN&utm_medium=GAads&utm_campaign=GAads

I was also looking at this kit:

http://www.ebay.com/itm/Rockford-Fo...udio_Video_Amplifier_Kits&hash=item51a6c73881


What makes the Rockford fosgate kits better in the long run?