Lowell MC-701 Clock/Speaker Center for Analog ClockLowell MC 701 Clock Speaker Center for Analog Clock Panel designed to accept a paging speaker, a standard 12 inch analog clock and a surface mount backbox. Mount horizontally or vertically. Key Features 18 gauge steel panel with round perforation grille and a cutout for a standard 12 in. analog clock For surface mount installation, horizontal or vertical orientation 26 in. x 14. 5 in. White finish Hardware studs for mounting an analog clock and 8 in.