Seriously. The reviews I found were generally quite positive of the product, even if it is not the most aesthetically pleasing to the eye. Black on black (or in my case very dark blue) in a dedicated theater is not going to be visible. If it works, it works. That said, I do not know personally if it works. However, I fear that he is out of business.
It's not a conventional bass trap. Maybe they were built on snake oil. I do not know. I am no expert in this field. All I know is that the reviews were very positive and the product was very inexpensive, easy to install, and did not require a math degree to figure out where to put.
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