The CyberData VoIP V2 Singlewire-enabled Paging Amplifier is for use with Singlewire's paging and emergency notification software InformaCast® or InformaCast CK. This PoE-powered device hooks up easily to new and existing Singlewire installations. With up to 25 watts of driving power (802.3at), the Amplifier provides direct drive of a standard Horn speaker and supports a line out connector for connection to an external amplifier. The V2 Paging Amplifier is the most powerful PoE-powered paging device on the market today and perfect for any environment requiring high-powered mass notification.