can someone tell me how to install a sub/amp to a factory bose system in my 99 infinity i30t aka maxima ha, since the headunit doesnt have a preamp output, and i dont wanna lose sound quality is there a hardness you can buy or a splice of the wires i have no idea someone help please
If you don't want to lose sound quality and your stock HU doesn't offer RCA outputs, then you have to no choice but to go with an aftermarket HU, as far as I know. You can get the line output converters to convert your actual speaker wires into RCAs, but the sound quality kind of sucks with them.