I have tried bad cables, they sound very bad, is very obvious   so if there is bad cables, there are good cables   a normal copper cable can sound 99.9% good but a Oxygen Free Copper Cable can sound 99.99%, OFC 5N Copper Cable can sound 99.999% , etc...   it gets better, but...

here is my review on the iphone 3gs GO-DAP     VentureCraft's GO-DAP   Some time ago I was wondering any company could came up with a headphone amp like a battery case on my iPhone 3GS, weeks later I saw this gadget by VentureCraft's , the GO-DAP. The GO-DAP is a high powered...