This is a rack mounted audio relay panel that makes it possible to switch one of three stereo audio sources to a single output.  Switching is done with dual coil latching relays that stay latched in the last position they were put in even during a power outage.    

Switching is done by pushing one of three buttons on the face of the unit or via external dry contact closures such as relays on a remote control system.  There is a light associated with each switch to visually see which audio source is selected.  A 2 VDC sample voltage is available, at the rear, to allow remote control monitoring of which state the switcher is in.

A back view shows input and output connections.  A 24 volt DC power supply is shown in the foreground.

 The three stereo input, 1 stereo output remote controlled audio switcher is a 1 3/4 inch high by 19 inch wide rack mounted device.  The price is $396.00.

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