“I can't believe no one asked this. What is JBL Trim and how does this affect my purchase?”
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Hi there! Trim rings allow installation of Control Contractor ceiling speakers into existing ceiling speaker cutouts that are larger than the speaker's normal cutout size. If you have any other concerns, you may use the link below to reach us. Insignia Support Dina Please visit https://www.insigniaproducts.com/contact-us
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