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Volume Control Terminals - Featured Products
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Valcom Noise Sensing Volume Control
#V-9933A — Valcomft. s V-9933A is a self-contained device that continuously monitors the area and automatically adjusts the volume on the paging speakers. Use one per zone and/or one per noise area; Specifications: Input Impedance: 600 ohm; Power Requirements:-24 Vdc 100 mA; Shipping Weight: 1.1 lbs (0.50 kg); Dimensions: 7.3in.
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