I dont know.....All i know is that i want an eq to basically tune my system....highs/mids/lows. I have 2 12" L7's JL Audio 6x9's and 6.5"s. pair of 1inch Beyma tweeters in my front doors. and 4"inch Beyma Bullet Tweeters on my rear deck.
I already have an indash Eclipse 21010 eq. But thats coming out when i mold my screen in.