navigation system

[salgutierrez 0]

i was told i need to get an amp for this, is this correct and about how much money should it cost?(i dont want to be ripped-off really)

also, would bass damage any head unit?(like the disc reader and whatnot?)

[c0smo kram3r 0]

I lol'd. What do you mean an amp... I really don't understand your question.