- Viking weather resistant paging horn- Indoor and outdoor use - Provides additional economical paging coverage to existing Viking paging units (PA-2A, CPA-7B, HF-3W, M2W) or to any system with an 8 ohm output- In outdoor, factory or warehouse environments, 25AE paging horns are the best method of producing understandable sound. In these environments, the directional design allows the installerto focus the sound cone down aisles and toward work areas.- Add additional speakers and coveragearea to existing pa