Electro-Voice SMS-UB-58 Speaker Accessory (Pair)

The SMS-UB-58 is a pair of black U-bolt adapters for supported 5-inch and 8-inch loudspeaker mounting systems. The adapters are intended for use with standard 2-inch U-bolts. They provide the interface at that attachment point, with the remaining mounting hardware and supporting structure specified for the complete installed speaker arrangement.