ok i currently have the pioneer deh-1800 headunit a old crappy one with no rca or sub out put stuff. i have 2 12" alpine type r's and a hifonics 1200wats rms amp with kicker wireing and i was wating to know i want to upgrade to this head unit http://sonicelectronix.com/item_8567_Pioneer+Premier+DEH-P590iB.html how much of a difference will this headunit make to the sound quality of my car with the sub outputs and all of that.. ohh yea and i have alpine type s 6x9's and 2 31/2 inch kicker dash speakers also... will this headunit make my system alot better? thanks
