Unbelievable

I have used varnish on black colored tweaks for the past decade. Different colors give a different sound signature. The neutral colors are white or black. White has an open and transparent sound while black has a blacker background, but also dark, muddy and veiled sound. By using varnish on top of black paint you compensate for the veiled sound and add clarity. This gives good balanced sound.

Interesting....

Noise is the time varying quiescent output in the absence of an input signal and/or independent of the input signal. In speakers, noise, by definition, is essentially 0, unless you are claiming it is picking up seismic vibrations from the floor and re-radiating them, on which I will call them out, because the floors and walls will be a far more effective radiator for that, and because that is an external stimulus, so would be akin to showing a frequency response with a truck driving by.

If they want to claim it improves THD, or IMD, then that is within the realm of believable as those are signal dependent properties.

Given the ridiculous claims that audiophiles accept without calling suppliers out on, is it any surprise that some marketer for a main stream brand would do the same .... without any justification or measurement to support it?

Phenomena dont need a justification passport to appear ….  :)

The smiley face doesn't make your post any more viable or correct. A speaker just sitting there, unconnected, does not create "sound" of any appreciable level, and I have a feeling it would be almost impossible to detect short of being in super quiet anechoic chamber. It won't say no sound, because anything above absolute 0 must "radiate", and the resistance of the voice coils will have thermal noise .... and that is just ridiculously pedantic. If you want to be ridiculously pedantic, a glossy finish would reflect as opposed to absorb ambient "noise" and hence in a real world situation, a gloss finish is likely to result in worse signal to noise.

What's that saying, exceptional claims require exceptional evidence?  Accepting it as true without being critical just encourages bad behavior. I mean really, look at the people in this thread jumping through hoops trying to justify their statement as correct as opposed to saying, where is your proof, evidence, or even justification. Frankly that is silly. This isn't about feelings, this is about the physical world.