AVS Forum Special Member
Join Date: Jun 2005
Location: Northern, VA - Washington, DC
Mentioned: 103 Post(s)
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If these are ceiling speakers, I wouldn't worry that much about them. Not sure the listening expectations of the room itself, but I rarely hear any noise out of speakers due to electrical cabling being nearby. I've worked in a ton of office spaces, where it's very noisy with florescent lighting involved, and the speakers just don't make noise and don't pick up anything from the dimmable lighting.
I wouldn't worry about it, but certainly, a metal backbox might help if there IS noise that gets into the system. Not sure what your retro access is to add a box later if you need to.
Be aware that most in-ceiling speakers are pretty poor in terms of sound to begin with, so I'm not sure how much fidelity you are really expecting here anyway. Depends on the room/setup I suppose.
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