Atlas AA200PHD 6-Input, 200-Watt Mixer Amplifier with Automatic System Test

The Atlas AA200PHD is a six input channel mixer amplifier designed for distributed business paging and background music (BGM) systems, medium to large speech privacy systems, and in applications where music on hold (MOH) plus paging is required.With one microphone/line input and two stereo line inputs, the AA200PHD will accommodate a variety of input sources including paging microphones, media players, and digital music receivers.What Sets the AAPHD Series Apart?The AA200PHD includes a patent pending automatic system test, the Push Here Diagnostic (PHD). The PHD button is designed to check the connected speaker lines for wiring and impedance errors. This test can be activated once all speakers are connected and the circuit automatically verifies that the attached speakers' tap settings do not exceed the amplifier's rated power, no speakers are mistakenly tapped at 8&Omega,, and the speaker wire is free from shorts.