Soundproof to boost my speaker's sound quality

[miiser]

Hey,
I just changed my front speakers with a pair of jvc cs-620x. But I am not happy with the overall result. I mean ok the sound is significantly more clear, but the bass is terrible. They sound worse than the stock cheap ones. I know that paper speakers produce more bass but the difference is day night right now. I am pretty sure that it's not speaker's fault cause before I bought then I looked for reviews and ratings and all of them were positive.
So, I think it's all about the soundproof and my door can produce bass the way it is right now. With this in mind I have to invest in some soundproof materials. I know about dynamats, but they are too expensive for me right now. Anyone who come up with some alternatives? I want to keep it cheap as possible but in the same time effective.

I wish it's all about the soundproof of my door. All I hear from the speakers right now is tzmp tzmp tzmp. And I am really disappointed. [emoji853]


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[scratchpaddy]

Soundproofing is not easy or cheap. Dynamat (and other products like it, there are tons, many cheaper) does not block sound; it only lowers the resonant frequency of the metal you stick it to, which will make the road noise less "boomy," and make your doors sound a lot more solid when you close them.

If you actually want to block outside sound, and keep your speaker's sound inside the car, you also need mass loaded vinyl, or MLV, which is very heavy and expensive. Member dereckveliz2 has a great build thread that shows what's involved in a serious sound deadening project.

Yaris Sedan Deadening and Sound system upgrade (http://www.yarisworld.com/forums/showthread.php?t=26150)

[miiser]

I want a more solid result from the speakers. They way I hear them I think a good soundproof with smth like dynamat will make a difference. Any other opinions??
I don't want a professional sound result. I just want to make my new speakers work properly


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