SPEAKER SUPPORT BRIDGE SSB-4 INSTALLATION INSTRUCTIONS 273 Branchport Avenue Long Branch, N.J.
OPTIONAL BOX WITH EXTENSION RING SSB-4 SPEAKER SUPPORT BRIDGE INSTALLATION INSTRUCTIONS The SSB-4 is a speaker support bridge for mounting Wheelock 4" ceiling speaker assemblies into acoustic tile ceilings. The SSB-4 is designed for use with ceiling tiles up to 24" wide. If a backbox is required, use: A. Wheelock Flush Ceiling Mount ET Series: Standard 4" square by 2-1/8" deep box with 1-1/2" extension ring. B.