Quote: Originally Posted by
IandI 
From what I have read on other forums, there is not currently any brand of amplifier that uses optical input that does not rely on the same brand of head unit to work. The G4 is a head unit replacement so these amp options don't work well. Please inform me if I am wrong. I would like to go this route.
My amp has optical input and it works great, had it a couple years.... it's a Pheonix Gold R5.1 Mobile Theatre.