hi kingsap i truly believe that power cables do make a diffrence to sound quality and good i/c ,i have tryed many in my time,but the best thing to do is to if you could loan some to see if you hear a diffrence,dont be quick to judge,i have found that it can take time to bed in.no one is the best critic other than yourself trust your own ears,dont be led by what others say.i have just bought a new mains cable and i am over the moon with the improvements it has made.check out clearer audio /darren really is very helpful and will be able to guide you on the best power cables and i/c for your system.