Auerswald a/b Audiobox public address system

The a/b Audiobox can be used to couple PA systems to almost any telephone system quickly and easily. The box is simply connected between an analogue telephone system extension and the amplifier input of, for example, a PA system. If the a/b Audiobox is then called, it automatically accepts the call and establishes a connection to the linked PA system.The integrated switching relay can be used to select the loudspeaker zone of the PA system. If desired, the announcement can be preceded by an acoustic signal.

Price: 164.99 from Conrad Electronic