Dynamat Xtreme Speaker Kit (10415)

Great price for this oustanding product.

Excellent product with great sound dampening qualities. When installed properly; eliminates buzzing, rattling and loss of bass from smaller speakers. Definately would recommend to the discerning buyer.

It works as advertised, but I think you need to use way more than one 10x10" sheet around each speaker for it to really work well. I notice only a minimal improvement with low freq that causes the most distortion.

I bought new Kenwood speakers for my car and found that despite the much clearer mid and high range sounds, the bass response was actually worse then my stock factory speakers. After many days of research and cheap experiments, I tried out a pair of...

I had this installed that it eliminated the rattle when I played my subwoofer loud. What can I say, this stuff works! Get it while on sale, original MSRP is killer.