What is an optimal sound system for a 2002 Ford Focus?

I was just wanting a nice sound system for my car. I want a subwoofer also. Affordable price range and stuff but I would just like some suggestions.

2 speakers in the front doors, 2 in the instrument board in the front, 2 in the rear and 1 subwoofer in the trunk. With that the sound should be distributed well. The speakers in the instrument board in the front are mostly for the higher tones for fidelty and that sparkling. The rear speakers make it sound like beeing in a concert hall. The "optimal" sound system makes voices and instruments sound as if they were there in real.

in my experience kenwood builds great sound systems and price isn't high, that should suit for a 2002 ford focus. Of course its possible to spend a high amount$ for a sound system, for that the factory Burmester is a good address. Crutchfield.com. All top quality. I don't think the anonymous answerer has ANY clue about how to build a good sounding system in a car. What he/she describes will probably be loud, but would have little if any expectation to sound good.
Unless you are capable of and planning to do a MASSIVE amount of equalization and time alignment - having numerous speakers in a car is counter-productive.

A typical sound quality set up has one high quality pair of speakers in the front of the vehicle -- typically a component set, 2 small woofers, 2 tweeters -- along with one quality subwoofer in the rear.

Rear speakers are used as "fill" often running off very low power (~20w) relative to the rest of the system. In many cases -- especially when rear seat balance isn't a priority -- rear speakers will be done away with entirely.

Crutchfield.com. All top quality.

I don't think the anonymous answerer has ANY clue about how to build a good sounding system in a car. What he/she describes will probably be loud, but would have little if any expectation to sound good.
Unless you are capable of and planning to do a MASSIVE amount of equalization and time alignment - having numerous speakers in a car is counter-productive.

A typical sound quality set up has one high quality pair of speakers in the front of the vehicle -- typically a component set, 2 small woofers, 2 tweeters -- along with one quality subwoofer in the rear.

Rear speakers are used as "fill" often running off very low power (~20w) relative to the rest of the system. In many cases -- especially when rear seat balance isn't a priority -- rear speakers will be done away with entirely.

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