Valcom V-9933A Noise Sensing Volume Control, Stock# V-9933A VB-S11 For Use With: 7'' to
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Valcom V-9933A Noise Sensing Volume Control, Stock# V-9933A VB-S11 For Use With: 7'' toThe durable Valcom V 9933A Noise Sensing Volume Control electronically adjusts the level of your speakers to ensure pages are clear and intelligible. The V 9933A is ideal in any setting where ambient noise levels are constantly changing. Features: Frequency response: 50 Hz to 12 kHz Power requirements: 24VDC signal battery Input impedance: 25k Ohms Output impedance: 8 Ohms Constant monitoring of the area. Use one per zone and or per noise area. Valcom
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