Featuring 3 inputs, PlenumAmp PMA-350H is designed for conference room and classroom audio systems. Plenum-rated, 24 V, 50 W mixer/amplifier features Auto-HummBuster technology, which automatically suppresses noise that sometimes infiltrates classroom audio systems. Unit is compatible with optional external wall volume control, which utilizes 10K analog pot. To provide priority override for P/A system, amplifier senses P/A audio and mutes connected audio sources to ensure delivery of important messages.
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