Description

Valcom Metal Speaker Backbox

STEEL BACKBOX: Prevents debris and insulation from coming into contact with the speaker. The S-551 meets the UL UUMW standard and is typically used in plenum return ceilings. In open ceiling structures, the backbox may be used as an enclosure for a speaker by attaching the backbox directly to the beam and mounting a speaker to the backbox with the hardware provided. The S-551 must be ordered in in multiples of 5 as model S-551-5.

• COMPATIBLE WITH ROUND OR SQUARE BAFFLES
• FIVE COMBINATION ” – ” KNOCKOUTS
• COMPATIBLE WITH 2′ X 2′, 2′ X 4′ CEILING GRIDS
• METAL CONSTRUCTION
• MEETS UL 3 HOUR BURN RATING