How much does it cost to change out my car audio?

[magewulf]

Button you can buy? Do you mean a subwoofer on off on a deck? Or are you meaning a switch to kill the power to the subwoofer amps?

 

[Scott R]

I am wondering how much in would cost to transfer my subs and amp from one car to another the new car doesn't have a deck and i can't put one in it i heard there is a button you can buy and have a car audio place install it to tuurn the subs on and off please help