This audio switcher has four inputs (XLR balanced or AES3), one digital output and one analog output. The fourth input can be an external audio source the on-board audio player. The unit automatically switches to the secondary input if the primary source fails (loss of audio or loss of digital clock or data error, etc.), then third and then fourth. The priority of source and time delay before action can be set by the user. The threshold of silence detection is also user definable. The unit can also be controlled from a PC on an IP network or from the push buttons on the front panel. Switching can also be set on a timed schedule. It has redundant power supplies. In case of power failure an internal direct relay bypass is provided between digital input and output and between analog input and output. Sources are sample-rate converted and up to 24-bit/48kHz inputs can be used. All inputs and outputs can be monitored and metered via IP and the front panel. The unit also has a GPIO and RS-232 port on the rear panel.
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What the judges had to say:
■ "IP-controlled audio switch -- I'm putting this at my transmitter."
■ "I like the built-in sample-rate conversion."
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