20 Watt Classroom Audio System. Dome receiver. 4 Speakers. 50 ft Cable. Front of Amplifier. Teacher microphone volume control - Adjusts volume of teacher infrared microphone. Line input volume control - Adjust the level of Line/Auxillary input sources connected to input terminals on the back of amplifier. IR Signal Indicater - Illuminated whenever the teacher mic is turned on and successfully recieved. Feedback Blocker Indicator - Illuminated whenever the Feedback Blocker is activated. Back of Amplifier. Sensor Input Terminal - Up to 7 sensors can be connected via F-Connector and coaxial cable for sensors. Auxiliary Inputs - Inputs allow other media sources such as DVD,TV,CD, and MP3 player to be connected to RA101 amplifier. Feedback Blocker - Turns Feedback Blocker feature on and off. Speaker Outputs - Smplifier allows up to 4 Speakers to be connected.
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