sorry but I am trying not to use marketing gimmicks as technical terminology and car audio is as much a study in acoustics as it is electricity. We criticize manufacturers who exaggerate benefits so this seems a fair nit to pick.

I would like to know what advantage damping gives me and why, and I would like to know what advantages transmission loss gives me and why. This seems like a fair concept prior to purchase.

These ARE NOT sound attenuation products (ASTM 423) so we wont bring it up as a part of the solution.

Am I off topic?

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MECA SQ

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I don't know what your problem is, but I'll bet it's hard to pronounce.