Back box required?

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christiana
christiana Posts: 2
edited April 18 in Basic Hookup/Wiring Questions
New install of mc80 into drywall have holes cut at 9-3/8”. Can I just cut away batt insulation and insert speaker or do I need a back box and why if rest of roof/ceiling is batt insulated. Thx
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  • F1nut
    F1nut Posts: 52,407
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    A back box is recommended as it keeps insulation fibers and other in wall/ceiling stuff from getting in/on the driver(s). A box also increases bass response.
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