The BB-580 Round Flush Mount Back Box is a metal case that can be attached to TOA's PC-580RU/RVU flush-mount ceiling speakers for flush-mounted applications.
- Enclosure: Galvanneal (satin-coat) steel construction, Unpainted Anti-resonance spray coating applied to the interior of the enclosure
- Dimensions: 10" inner-diameter at the base, 11-5/8" outer-diameter at the mounting flange, 4" deep
- Knockouts: Four 2-way 1/2" to 3/4" knock-outs spaced evenly at 90 degrees around the body, 2" from back, Four mounting straps
- For UL/ULC installations use HY-BC580U Back Can
- When mounting in tiled ceilings use Q-HY-TB2 Tile Rails