by Jeff Fisher
- They indicate to the drywall installers where and how big to cut the hole.
- They provide some additional physical mounting strength for the speaker.
- They allow attachment of the speaker cable so that it may be easily retrieved when installing the speaker.
Rough-in brackets are optional and are usually sold separately, mostly because they cannot be used after the drywall is up (retrofit situations.) Even though it is worth it to use them when possible, they are not required.
Rough-in brackets are manufacturer and model specific. There are no standard mounting dimensions for speakers, so you must select your speakers first, then purchase the specified rough-in brackets.
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