The speaker has a flaw in the middle, if you will, as shown in the photo. Hopefully this doesn't affect the sound over time. At the moment everything is fine, the sound quality is satisfactory. The holes matched perfectly with the speaker box I used. I don't think it's bad for the money. In the Q&A there was a question about negative and positive links. The wires are the same color, but if you look closely there are + and - next to the terminals. Hope that helps. I need my 300 readers to see them. giggle
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