6.5" Subwoofer Box Ported 32Hz 5.75" Cutout 0.65 cu. ft Volume 1/2" Plywood 3/4"

I don't know, man. If you think that looks like hot glue then guess what! Your eyes are doing fine. It is hot glue. I designed and built it around a 200W driver. If you stuff the box, it goes away, but it's not really that bad to begin with.

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