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A Line Driver and Receiver in one housing that provides two-way talk/listen between the Louroe Speaker/Microphone and Base Station. It contains two circuits. One is a Microphone Line Driver, the other a Line Receiver and Power Amplifier. Line Driver portion takes audio signals from the microphone and amplifies it to 0 dB @ 600 Ohms balanced, for input over fiber optics, or telephone line. Line Receiver portion receives audio at 0 dB @ 600 Ohms and amplifies it at a maximum of 4W output into an 8 Ohm speaker. A built-in 70V transformer provides constant voltage the Louroe Speaker/Microphone. 24 Vdc plug-in power supply included. NOTE: If one-way listen is required rather than two-way talk.
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