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-Monitors audio activity over a wide range of input voltagesTwo sets of C-form (both N.O and N.C) relay contacts respond to audio activityFour levels of signals: microphone, 600-ohm line, 25V, and 70V speaker systemsBuilt-in balanced, low noise, high gain microphone pre-amTransformer-isolated, 600-ohm small signal level output of detected audio availableWorks with self-amplified or central-amplified paging systemsSeparate microphone pre-amp gain controlAdjustable release delay: 0.25s to 25sTrigger threshold adjustmentRelay active indicator lightAccessories: PRS40C 12V DC Power Supply (Sold separately)
BRAND : BOGEN
SKU : BG-VAR1
UPC : 765368200973
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