30 Watt Paging Horn. The Commercial Solutions Series CSS-H30 Paging Horn provides excellent voice range clarity for public address systems, announcement/paging, intercom, security, alarm and industrial applications. Designed for demanding environmental conditions, the CSS-H30 is highly weather resistant (IP-65 rated) so it can be used in either indoor or outdoor applications. The focused coverage pattern allows the horn to project the sound a farther distance than is the case with wider-coverage paging horns. Typical applications for this product are public access areas, warehouses, factories, schools, recreational facilities, commercial buildings, distribution centers, civic centers, and other commercial sound and protectivesignaling systems.