Quote: Originally Posted by ppgt94
You can convert the optical digital to coaxial digital and vise versa. From what I understand it's the same unprocessed signal just different physical connections. I have home A/V equipment that have both and they work exactly the same.
but the red light is prettier AND travels at the speed of light!!!! With one of these, you're future-proof. Won't have to worry about upgrading when optic-based ICs come to mass production.