Boston Acoustics FRB6R Fire-Rated Back Box
Specifically designed for our existing line of advanced 6" in-ceiling loudspeakers, these Fire-Rated Back Boxes offer new levels of performance, reliability and convenience in a variety of commercial and residential loudspeaker applications.
The FRB models meet the following agency requirements:
- UL 2043
- ATSM E119
- ULC CAN/UNLC S101/M89
- UBC 7-1
- Fits all Boston 6" in-ceiling speakers
- Standard 3/8" knockouts for the two supplied ULM connectors
- Color coded raised flange around the speaker opening to aid location after drywall installation, blue for 6" speakers
- Can be mounted in 12", 16" or 24" stud bays
- Adjustable support bars are supplied that allow easy installation in drop tile ceilings
- An integrated safety tab is mounted on the back of the cabinet for an installer-supplied safety cable
- internal mountings for 70V/100V transformers
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