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<blockquote data-quote="hispls" data-source="post: 8420183" data-attributes="member: 614752">Indeed, most &quot;luxury&quot; cars have much better factory sound deadening than &quot;lower&quot; models.&nbsp; It would be easy enough for you to test drive one and see if the ride was quiet enough to be worth the trouble.Most of the butyl + aluminum foil deadeners are about the same (assuming comparable thicknesss).&nbsp;&nbsp; People use that, MLV (mass loaded vinyl), and CCF(closed cell foam) for sound deadening.&nbsp;&nbsp; If you have access to a compressor and spray gun the spray on deadener is effective as well.&nbsp; Any of it takes a lot of work and money.That said, lower &quot;noise floor&quot; should make it much easier for you to comprehend what you&#039;re hearing and every 3dB you can drop the noise floor in the vehicle is half the power you&#039;ll need to your speakers to get the same relative effect at your ears.&nbsp;&nbsp; Likely more so since most hearing imparied people I know hear well enough in a very quiet room but amidst a lot of background noise everything just seems garbled.I&#039;d say you&#039;re on the right track as far as trying to make it quieter in the car.&nbsp; That&#039;s likely your very best (most effective) option, though it may get expensive and will be labor intensive.Search diymobileaudio.com forum for some enormous threads of deadening materials and techniques others have used.&nbsp; I don&#039;t think there&#039;s any &quot;right way&quot;, but there&#039;s a few things that consistently fail so just avoid the don&#039;ts and you should make progress with any of the proven methods.</blockquote>

[QUOTE="hispls, post: 8420183, member: 614752"] Indeed, most "luxury" cars have much better factory sound deadening than "lower" models. It would be easy enough for you to test drive one and see if the ride was quiet enough to be worth the trouble. Most of the butyl + aluminum foil deadeners are about the same (assuming comparable thicknesss). People use that, MLV (mass loaded vinyl), and CCF(closed cell foam) for sound deadening. If you have access to a compressor and spray gun the spray on deadener is effective as well. Any of it takes a lot of work and money. That said, lower "noise floor" should make it much easier for you to comprehend what you're hearing and every 3dB you can drop the noise floor in the vehicle is half the power you'll need to your speakers to get the same relative effect at your ears. Likely more so since most hearing imparied people I know hear well enough in a very quiet room but amidst a lot of background noise everything just seems garbled. I'd say you're on the right track as far as trying to make it quieter in the car. That's likely your very best (most effective) option, though it may get expensive and will be labor intensive. Search diymobileaudio.com forum for some enormous threads of deadening materials and techniques others have used. I don't think there's any "right way", but there's a few things that consistently fail so just avoid the don'ts and you should make progress with any of the proven methods. [/QUOTE]

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