Despite being very careful with my measurements the insert seems slightly too big. This squished the corners in a way that does not seem to create a good sound seal. I’m also dumbfounded at why there is only one D ring for removing the insert. There should at least be one on the top as well to help adjust and straighten the insert. Sound seems decrease by only 20-ish percent. Overall I feel like it was over $900 that I expected better results from.
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