BRIANxJDM

i want to keep the OEM navi in my gs430, but i want to replace all my speakers. have anyone done this, keeping stock navi, and installing 4 new speakers and 2 subs and 2 amp to it? i heard from some you can't, some say you can, but sounds bad. what do i do guys )=

tom steele

you need a audio control lc6 so you can take the inputs out of the stock amp and turn them into a low voltage signal via rca's to your amps any stereo shop can hook you up there are also other brands of these type of signal converters rockford fosgate has one as well check those out