aiya just bought the 9886 ka? wasted la, if i were u id look for 2nd hand 9835 or 9855

all u need in SQ is front components and a sub, if u want to play 3 way active, u need a 4ch amp for mids and tweets, sub amp for the sub, kautim

u can seal up the back board, acc shop can make a new replacement one easily

no need processor la, invest on good amp and speakers first