S-521B

The inconspicuous S-521B, 1′ x 2′ Lay-in Ceiling Speaker, is a fast and easy speaker to install in suspended ceilings. The speaker provides excellent music and voice reproduction. The integral backbox has a three hour burn test rating (UL181). It includes a V-TBAR for easy installation. The speaker assembly features a perforated steel grille finished with a durable white baked-on acrylic enamel finish, an 8-inch full range speaker with a transformer that operates on 25 and 70 volt speaker lines. The S-521B includes a volume control that is accessible through the perforated grille using a standard 1/8-Inch screwdriver

• Integral backbox with three hour burn rating
• Easy lay-in mounting
• 25/70 Volt transformer
• Scuff resistant perforated grille
• Durable white acrylic baked enamel finish
• Volume control
• Indoor use
• Includes V-TBAR for mounting