you may go for passive 1st as it will comes with crossover.. and it will split the frequencies to each driver separately.. and you need to make sure that the amp you have can give sufficient power to your speakers..
for speakers, you can ask around other sifus here bro.. if you have fb, check below pages and survey bro
KF Audio ( Mr Siemen Loh ) can consider him as grandmaster because of his experience, located in Aman Suria
EA Autoworks ( Howie Choo ) well established and reputable shop, located in Bukit Jalil. you also can find his videos in youtube.
E Audio auto acc - well known for their sq setups, located in Ampang
Car audio malaysia - one of the largest online retailer located in kepong. Personally i bought all my ICE stuffs from them.. best price guranteed.. you also can drop by and buy directly from them
Frings Audio - another well known shop for SQ setup, located in Kajang
Hope this helps you bro.. cheerzz :thumbsup: