Model APT-34AT Surface-mounting loudspeaker with bi-directional sound dispersion provides concentrated coverage in corridors, stairwells and walkways in commercial, institutional and industrial applications. Twin horn assembly delivers 30 watts of power with a single compression driver (included) and provides 100° sound dispersion in each direction. Unit includes the Omni-Purpose® bracket and provisions for surface/strap mounting. Finished in grey baked epoxy.