The Q-BB-580S Square Flush Mount Back Box is a metal case that can be attached to TOA's PC-580S flush-mount ceiling speaker for flush-mounted applications.
- Enclosure: Galvanneal (satin-coat) steel construction, Unpainted, Anti-resonance spray coating applied to the interior of the enclosure
- Dimensions: 11-3/4" x 11-3/4 square enclosure, 4" deep
- Knockouts: Four 2-way 1/2" to 3/4" knock-outs spaced evenly at 90 degrees, 2" from back, Slots for use with mounting channels
- When mounting in tiled ceilings use Q-HY-TB2 Tile Rails