Car : Vios J Spec
HU : Kenwood DDX-630W
Budget around RM1.5K

Just few questions below:

-Any good recommendation on component set and amp? I am kind of newbie in ICE setup. All I want is to some good sound quality with a little bit of bass will do.
-By the way, do I need to change the wiring if I change the component set and amp?
-I heard about Big 3 upgrade in this section, but I am not quite understand about it. Is it just an upgrade from stock wiring to a thicker wires?

vios j spec should change headunit or speaker either 1 as a start.

I already changed my HU to this model, HU : Kenwood DDX-630W. So, what should I do next? I am just a bit worry on the wiring part.

since change hu, then go for component and sp ur front door

hmm.. planning to install Focal KRX2 Power Component Speakers, any idea on the price and any recommended good installer in Penang?

I don't think your budget is enough for the Focal you wanted. BTW, why this model/brand? You audit before?

bout the budget still can be adjusted. haha.. hmm never audit b4. What I want is just sound quality which is better then my stock speakers and I heard good feedback from focal speakers.

better go to those shop have demo speaker let u listen. dun HEARD wat ppl say. Other ppl taste might not suit u

Can demo some friends car who are into ICE also.

What kind of music do you listen to?