Ironically a box of rocks will probably "improve" (well affect) your audio more than a cable will. As sounds does bounce off objects. That being said there are

Ironically a box of rocks will probably "improve" (well affect) your audio more than a cable will. As sounds does bounce off objects. That being said there are cheap, worthless cables as well. I'll pay a bit more for a cable where they connection won't fall off after two uses.