APX40TN is a conservatively rated, 40W constant-directivity paging speaker for use in public address or paging applications. It combines constant-directivity with superior engineering design, achieving extraordinary performance with quick and easy installation. This constant-directivity speaker offer exact positioning flexibility with a simple twist of the wrist. The APX speaker is well-suited for indoor applications including commercial, light industrial, and large retail/distribution applications where clear and pleasant indoor paging/communications and security are required. The speaker is also appropriate for installation in outdoor retail, commercial, recreational, and public use areas where dependable weatherproof performance is needed for communications and security.